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97253885 = 573266449
BaseRepresentation
bin1011100101111…
…11100111111101
320210000000020202
411302333213331
5144344111020
613352253245
72260434011
oct562774775
9223000222
1097253885
114a996313
12286a1225
13171c18a1
14ccb8541
158810e75
hex5cbf9fd

97253885 has 8 divisors (see below), whose sum is σ = 118303800. Its totient is φ = 76737024.

The previous prime is 97253879. The next prime is 97253921. The reversal of 97253885 is 58835279.

It can be written as a sum of positive squares in 4 ways, for example, as 6661561 + 90592324 = 2581^2 + 9518^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97253885 - 220 = 96205309 is a prime.

It is a super-3 number, since 3×972538853 (a number of 25 digits) contains 333 as substring.

It is a nialpdrome in base 14.

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, 132860 + ... + 133589.

It is an arithmetic number, because the mean of its divisors is an integer number (14787975).

Almost surely, 297253885 is an apocalyptic number.

It is an amenable number.

97253885 is a deficient number, since it is larger than the sum of its proper divisors (21049915).

97253885 is a wasteful number, since it uses less digits than its factorization.

97253885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266527.

The product of its digits is 604800, while the sum is 47.

The square root of 97253885 is about 9861.7384370100. The cubic root of 97253885 is about 459.8706079045.

The spelling of 97253885 in words is "ninety-seven million, two hundred fifty-three thousand, eight hundred eighty-five".

Divisors: 1 5 73 365 266449 1332245 19450777 97253885