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97071471 = 3277192143
BaseRepresentation
bin1011100100100…
…11000101101111
320202122202000200
411302103011233
5144322241341
613344324543
72256044130
oct562230557
9222582020
1097071471
114a881262
1228613753
1317159853
14cc6bc87
1587c6db6
hex5c9316f

97071471 has 24 divisors (see below), whose sum is σ = 160542720. Its totient is φ = 55366416.

The previous prime is 97071467. The next prime is 97071493. The reversal of 97071471 is 17417079.

It is not a de Polignac number, because 97071471 - 22 = 97071467 is a prime.

It is a super-3 number, since 3×970714713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97071421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44226 + ... + 46368.

It is an arithmetic number, because the mean of its divisors is an integer number (6689280).

Almost surely, 297071471 is an apocalyptic number.

97071471 is a deficient number, since it is larger than the sum of its proper divisors (63471249).

97071471 is a wasteful number, since it uses less digits than its factorization.

97071471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 97071471 is about 9852.4855239681. The cubic root of 97071471 is about 459.5829095804.

The spelling of 97071471 in words is "ninety-seven million, seventy-one thousand, four hundred seventy-one".

Divisors: 1 3 7 9 21 63 719 2143 2157 5033 6429 6471 15001 15099 19287 45003 45297 135009 1540817 4622451 10785719 13867353 32357157 97071471