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97656250 = 2511
BaseRepresentation
bin1011101001000…
…01110110111010
320210202110012011
411310201312322
5200000000000
613405040134
72264031046
oct564416672
9223673164
1097656250
115014064a
122885604a
1317302a83
14cd81026
1588902ba
hex5d21dba

97656250 has 24 divisors (see below), whose sum is σ = 183105468. Its totient is φ = 39062500.

The previous prime is 97656233. The next prime is 97656277. The reversal of 97656250 is 5265679.

It can be written as a sum of positive squares in 6 ways, for example, as 14645929 + 83010321 = 3827^2 + 9111^2 .

It is an ABA number since it can be written as A⋅BA, here for A=10, B=5.

It is a nialpdrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19531248 + ... + 19531252.

Almost surely, 297656250 is an apocalyptic number.

97656250 is a deficient number, since it is larger than the sum of its proper divisors (85449218).

97656250 is an frugal number, since it uses more digits than its factorization.

97656250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 97656250 is about 9882.1176880262. The cubic root of 97656250 is about 460.5039373300.

Multiplying 97656250 by its sum of digits (40), we get a 4-th power (3906250000 = 2504).

The spelling of 97656250 in words is "ninety-seven million, six hundred fifty-six thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 3125 6250 15625 31250 78125 156250 390625 781250 1953125 3906250 9765625 19531250 48828125 97656250