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97408788 = 22314395641
BaseRepresentation
bin1011100111001…
…01011100010100
320210021212201220
411303211130110
5144414040123
613355450340
72261650431
oct563453424
9223255656
1097408788
114aa91734
12287569b0
1317247249
14cd18b88
158841ce3
hex5ce5714

97408788 has 24 divisors (see below), whose sum is σ = 227485440. Its totient is φ = 32441280.

The previous prime is 97408771. The next prime is 97408807. The reversal of 97408788 is 88780479.

It is a self number, because there is not a number n which added to its sum of digits gives 97408788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14448 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (9478560).

Almost surely, 297408788 is an apocalyptic number.

It is an amenable number.

97408788 is an abundant number, since it is smaller than the sum of its proper divisors (130076652).

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

97408788 is a wasteful number, since it uses less digits than its factorization.

97408788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087 (or 7085 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 97408788 is about 9869.5890491955. The cubic root of 97408788 is about 460.1146343161.

It can be divided in two parts, 9740 and 8788, that added together give a triangular number (18528 = T192).

The spelling of 97408788 in words is "ninety-seven million, four hundred eight thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1439 2878 4317 5641 5756 8634 11282 16923 17268 22564 33846 67692 8117399 16234798 24352197 32469596 48704394 97408788