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97408725 = 35217194021
BaseRepresentation
bin1011100111001…
…01011011010101
320210021212122120
411303211123111
5144414034400
613355450153
72261650311
oct563453325
9223255576
1097408725
114aa91687
1228756959
13172471cb
14cd18b41
158841ca0
hex5ce56d5

97408725 has 48 divisors (see below), whose sum is σ = 179542080. Its totient is φ = 46310400.

The previous prime is 97408723. The next prime is 97408747. The reversal of 97408725 is 52780479.

It is not a de Polignac number, because 97408725 - 21 = 97408723 is a prime.

It is a super-2 number, since 2×974087252 = 18976919412251250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97408721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22215 + ... + 26235.

It is an arithmetic number, because the mean of its divisors is an integer number (3740460).

Almost surely, 297408725 is an apocalyptic number.

97408725 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97408725 is a deficient number, since it is larger than the sum of its proper divisors (82133355).

97408725 is a wasteful number, since it uses less digits than its factorization.

97408725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4065 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 97408725 is about 9869.5858575727. The cubic root of 97408725 is about 460.1145351217.

The spelling of 97408725 in words is "ninety-seven million, four hundred eight thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 17 19 25 51 57 75 85 95 255 285 323 425 475 969 1275 1425 1615 4021 4845 8075 12063 20105 24225 60315 68357 76399 100525 205071 229197 301575 341785 381995 1025355 1145985 1298783 1708925 1909975 3896349 5126775 5729925 6493915 19481745 32469575 97408725