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97613471 = 131745141
BaseRepresentation
bin1011101000101…
…11011010011111
320210200021111202
411310113122133
5144442112341
613404110115
72263462244
oct564273237
9223607452
1097613471
115011149a
122883533b
13172b9467
14cd6d5cb
15888279b
hex5d1769f

97613471 has 4 divisors (see below), whose sum is σ = 98358744. Its totient is φ = 96868200.

The previous prime is 97613447. The next prime is 97613479. The reversal of 97613471 is 17431679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97613471 - 222 = 93419167 is a prime.

It is a super-3 number, since 3×976134713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97613479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372440 + ... + 372701.

It is an arithmetic number, because the mean of its divisors is an integer number (24589686).

Almost surely, 297613471 is an apocalyptic number.

97613471 is a deficient number, since it is larger than the sum of its proper divisors (745273).

97613471 is a wasteful number, since it uses less digits than its factorization.

97613471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745272.

The product of its digits is 31752, while the sum is 38.

The square root of 97613471 is about 9879.9529857181. The cubic root of 97613471 is about 460.4366851907.

The spelling of 97613471 in words is "ninety-seven million, six hundred thirteen thousand, four hundred seventy-one".

Divisors: 1 131 745141 97613471