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97704140 = 22519125577
BaseRepresentation
bin1011101001011…
…01100011001100
320210211212212212
411310231203030
5200003013030
613410045552
72264320502
oct564554314
9223755785
1097704140
1150173626
12288798b8
131731b801
14cd94672
15889e595
hex5d2d8cc

97704140 has 24 divisors (see below), whose sum is σ = 206260992. Its totient is φ = 38875520.

The previous prime is 97704133. The next prime is 97704163. The reversal of 97704140 is 4140779.

It is a junction number, because it is equal to n+sod(n) for n = 97704097 and 97704106.

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, 8969 + ... + 16608.

It is an arithmetic number, because the mean of its divisors is an integer number (8594208).

Almost surely, 297704140 is an apocalyptic number.

It is an amenable number.

97704140 is an abundant number, since it is smaller than the sum of its proper divisors (108556852).

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

97704140 is a wasteful number, since it uses less digits than its factorization.

97704140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25777 (or 25775 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 97704140 is about 9884.5404546696. The cubic root of 97704140 is about 460.5792010896.

The spelling of 97704140 in words is "ninety-seven million, seven hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 25577 51154 102308 127885 255770 511540 4885207 9770414 19540828 24426035 48852070 97704140