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2836078380 = 223351731069
BaseRepresentation
bin1010100100001011…
…0001111100101100
321022122120201011000
42221002301330230
521302014002010
61145231000300
7130165161042
oct25102617454
97278521130
102836078380
11122598a733
12671969090
1336274cab5
141cc936392
15118eb47c0
hexa90b1f2c

2836078380 has 192 divisors, whose sum is σ = 9383472000. Its totient is φ = 711134208.

The previous prime is 2836078249. The next prime is 2836078381. The reversal of 2836078380 is 838706382.

2836078380 is a `hidden beast` number, since 2 + 8 + 3 + 607 + 8 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2836078381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2652486 + ... + 2653554.

It is an arithmetic number, because the mean of its divisors is an integer number (48872250).

Almost surely, 22836078380 is an apocalyptic number.

2836078380 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 2836078380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4691736000).

2836078380 is an abundant number, since it is smaller than the sum of its proper divisors (6547393620).

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

2836078380 is a wasteful number, since it uses less digits than its factorization.

2836078380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2836078380 is about 53254.8437233647. The cubic root of 2836078380 is about 1415.4876234393.

The spelling of 2836078380 in words is "two billion, eight hundred thirty-six million, seventy-eight thousand, three hundred eighty".