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375997997 = 231812499
BaseRepresentation
bin10110011010010…
…100011000101101
3222012111200021202
4112122110120231
51232223413442
6101150535245
712213634034
oct2632243055
9865450252
10375997997
11183271951
12a5b07525
135cb8972b
1437d1771b
1523021c32
hex1669462d

375997997 has 12 divisors (see below), whose sum is σ = 395316000. Its totient is φ = 356946480.

The previous prime is 375997987. The next prime is 375998017. The reversal of 375997997 is 799799573.

It is not a de Polignac number, because 375997997 - 24 = 375997981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375997927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753254 + ... + 753752.

It is an arithmetic number, because the mean of its divisors is an integer number (32943000).

Almost surely, 2375997997 is an apocalyptic number.

It is an amenable number.

375997997 is a deficient number, since it is larger than the sum of its proper divisors (19318003).

375997997 is an equidigital number, since it uses as much as digits as its factorization.

375997997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 703 counting only the distinct ones).

The product of its digits is 33756345, while the sum is 65.

The square root of 375997997 is about 19390.6677811776. The cubic root of 375997997 is about 721.7639343803.

The spelling of 375997997 in words is "three hundred seventy-five million, nine hundred ninety-seven thousand, nine hundred ninety-seven".

Divisors: 1 23 181 499 4163 11477 32761 90319 753503 2077337 16347739 375997997