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2040531520 = 26559108079
BaseRepresentation
bin111100110100000…
…0000101001000000
312021012121202000111
41321220000221000
513134334002040
6534251401104
7101365142326
oct17150005100
95235552014
102040531520
11957910595
1248b453194
13266998b01
14155009d16
15be21bdea
hex79a00a40

2040531520 has 56 divisors (see below), whose sum is σ = 4941417600. Its totient is φ = 802371072.

The previous prime is 2040531517. The next prime is 2040531523. The reversal of 2040531520 is 251350402.

It is an interprime number because it is at equal distance from previous prime (2040531517) and next prime (2040531523).

It is a super-2 number, since 2×20405315202 = 8327537768227020800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2040531491 and 2040531500.

It is not an unprimeable number, because it can be changed into a prime (2040531523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35160 + ... + 72919.

It is an arithmetic number, because the mean of its divisors is an integer number (88239600).

Almost surely, 22040531520 is an apocalyptic number.

2040531520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040531520 is an abundant number, since it is smaller than the sum of its proper divisors (2900886080).

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

2040531520 is a wasteful number, since it uses less digits than its factorization.

2040531520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108155 (or 108145 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2040531520 is about 45172.2428046251. The cubic root of 2040531520 is about 1268.3752799251.

Adding to 2040531520 its reverse (251350402), we get a palindrome (2291881922).

The spelling of 2040531520 in words is "two billion, forty million, five hundred thirty-one thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 59 64 80 118 160 236 295 320 472 590 944 1180 1888 2360 3776 4720 9440 18880 108079 216158 432316 540395 864632 1080790 1729264 2161580 3458528 4323160 6376661 6917056 8646320 12753322 17292640 25506644 31883305 34585280 51013288 63766610 102026576 127533220 204053152 255066440 408106304 510132880 1020265760 2040531520