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97708404 = 22331262657
BaseRepresentation
bin1011101001011…
…10100101110100
320210212002201210
411310232211310
5200003132104
613410121420
72264336103
oct564564564
9223762653
1097708404
1150176852
1228880270
1317320731
14cd9603a
1588a0989
hex5d2e974

97708404 has 24 divisors (see below), whose sum is σ = 235341568. Its totient is φ = 31518720.

The previous prime is 97708381. The next prime is 97708409. The reversal of 97708404 is 40480779.

It is a super-4 number, since 4×977084044 (a number of 33 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97708409) 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, 130957 + ... + 131700.

Almost surely, 297708404 is an apocalyptic number.

It is an amenable number.

97708404 is an abundant number, since it is smaller than the sum of its proper divisors (137633164).

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

97708404 is a wasteful number, since it uses less digits than its factorization.

97708404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262695 (or 262693 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 97708404 is about 9884.7561426674. The cubic root of 97708404 is about 460.5859011849.

The spelling of 97708404 in words is "ninety-seven million, seven hundred eight thousand, four hundred four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 262657 525314 787971 1050628 1575942 3151884 8142367 16284734 24427101 32569468 48854202 97708404