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97894528 = 273124671
BaseRepresentation
bin1011101010111…
…00000010000000
320211012120001021
411311130002000
5200030111103
613414115224
72266042534
oct565340200
9224176037
1097894528
1150293676
122894bb14
1317387374
14d003bc4
1588dabbd
hex5d5c080

97894528 has 32 divisors (see below), whose sum is σ = 201323520. Its totient is φ = 47366400.

The previous prime is 97894519. The next prime is 97894529. The reversal of 97894528 is 82549879.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×978945282 = 19166677224685568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97894529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8368 + ... + 16303.

It is an arithmetic number, because the mean of its divisors is an integer number (6291360).

Almost surely, 297894528 is an apocalyptic number.

It is an amenable number.

97894528 is an abundant number, since it is smaller than the sum of its proper divisors (103428992).

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

97894528 is a wasteful number, since it uses less digits than its factorization.

97894528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24716 (or 24704 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 97894528 is about 9894.1663620540. The cubic root of 97894528 is about 460.8781712160.

The spelling of 97894528 in words is "ninety-seven million, eight hundred ninety-four thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 496 992 1984 3968 24671 49342 98684 197368 394736 764801 789472 1529602 1578944 3059204 3157888 6118408 12236816 24473632 48947264 97894528