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97134807 = 37211243127
BaseRepresentation
bin1011100101000…
…10100011010111
320202202221220110
411302202203113
5144331303212
613345534103
72256426600
oct562424327
9222687813
1097134807
114a914900
1228644333
131717c623
14cc86da7
1587daa3c
hex5ca28d7

97134807 has 72 divisors (see below), whose sum is σ = 170784768. Its totient is φ = 48898080.

The previous prime is 97134803. The next prime is 97134839. The reversal of 97134807 is 70843179.

It is not a de Polignac number, because 97134807 - 22 = 97134803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97134803) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 764778 + ... + 764904.

Almost surely, 297134807 is an apocalyptic number.

97134807 is a deficient number, since it is larger than the sum of its proper divisors (73649961).

97134807 is a wasteful number, since it uses less digits than its factorization.

97134807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 97134807 is about 9855.6992141603. The cubic root of 97134807 is about 459.6828421849.

It can be divided in two parts, 971 and 34807, that added together give a triangular number (35778 = T267).

The spelling of 97134807 in words is "ninety-seven million, one hundred thirty-four thousand, eight hundred seven".

Divisors: 1 3 7 11 21 33 43 49 77 121 127 129 147 231 301 363 381 473 539 847 889 903 1397 1419 1617 2107 2541 2667 3311 4191 5203 5461 5929 6223 6321 9779 9933 15367 15609 16383 17787 18669 23177 29337 36421 38227 46101 60071 68453 69531 107569 109263 114681 180213 205359 254947 267589 322707 420497 660781 752983 764841 802767 1261491 1982343 2258949 2943479 4625467 8830437 13876401 32378269 97134807