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2077412240 = 245175093001
BaseRepresentation
bin111101111010010…
…1100101110010000
312100210000110212002
41323310230232100
513223304142430
6542050053132
7102323466311
oct17364545620
95323013762
102077412240
11976710622
1249b87a1a8
1327150c917
14159c8a608
15c25a4845
hex7bd2cb90

2077412240 has 80 divisors (see below), whose sum is σ = 5125854960. Its totient is φ = 780288000.

The previous prime is 2077412219. The next prime is 2077412261. The reversal of 2077412240 is 422147702.

It is an interprime number because it is at equal distance from previous prime (2077412219) and next prime (2077412261).

It can be written as a sum of positive squares in 8 ways, for example, as 142468096 + 1934944144 = 11936^2 + 43988^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×20774122402 = 8631283229803635200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690740 + ... + 693740.

It is an arithmetic number, because the mean of its divisors is an integer number (64073187).

Almost surely, 22077412240 is an apocalyptic number.

2077412240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2077412240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2562927480).

2077412240 is an abundant number, since it is smaller than the sum of its proper divisors (3048442720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2077412240 is a wasteful number, since it uses less digits than its factorization.

2077412240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 2077412240 is about 45578.6379787725. The cubic root of 2077412240 is about 1275.9712686344.

Adding to 2077412240 its reverse (422147702), we get a palindrome (2499559942).

The spelling of 2077412240 in words is "two billion, seventy-seven million, four hundred twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 509 680 1018 1360 2036 2545 3001 4072 5090 6002 8144 8653 10180 12004 15005 17306 20360 24008 30010 34612 40720 43265 48016 51017 60020 69224 86530 102034 120040 138448 173060 204068 240080 255085 346120 408136 510170 692240 816272 1020340 1527509 2040680 3055018 4081360 6110036 7637545 12220072 15275090 24440144 25967653 30550180 51935306 61100360 103870612 122200720 129838265 207741224 259676530 415482448 519353060 1038706120 2077412240