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7976505376 = 25725087057
BaseRepresentation
bin1110110110110111…
…11101000000100000
3202120220012110100001
413123123331000200
5112313441133001
63355300105344
7401444114500
oct73333750040
922526173301
107976505376
113423590604
121667395254
139a1708188
1455950da00
1531a409001
hex1db6fd020

7976505376 has 36 divisors (see below), whose sum is σ = 18267625278. Its totient is φ = 3418501632.

The previous prime is 7976505371. The next prime is 7976505377. The reversal of 7976505376 is 6735056797.

It can be written as a sum of positive squares in only one way, i.e., 5643615376 + 2332890000 = 75124^2 + 48300^2 .

It is not an unprimeable number, because it can be changed into a prime (7976505371) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2541961 + ... + 2545096.

Almost surely, 27976505376 is an apocalyptic number.

It is an amenable number.

7976505376 is an abundant number, since it is smaller than the sum of its proper divisors (10291119902).

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

7976505376 is a wasteful number, since it uses less digits than its factorization.

7976505376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087081 (or 5087066 counting only the distinct ones).

The product of its (nonzero) digits is 8334900, while the sum is 55.

The square root of 7976505376 is about 89311.2835872377. The cubic root of 7976505376 is about 1998.0401948759.

The spelling of 7976505376 in words is "seven billion, nine hundred seventy-six million, five hundred five thousand, three hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 5087057 10174114 20348228 35609399 40696456 71218798 81392912 142437596 162785824 249265793 284875192 498531586 569750384 997063172 1139500768 1994126344 3988252688 7976505376