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712806423 = 371272411109
BaseRepresentation
bin101010011111001…
…001000000010111
31211200021022120220
4222133021000113
52424434301143
6154421525423
723443516560
oct5237110027
91750238526
10712806423
113363a701a
1217a873873
13b48a4464
146a94d167
15428a1d83
hex2a7c9017

712806423 has 32 divisors (see below), whose sum is σ = 1100267520. Its totient is φ = 402071040.

The previous prime is 712806421. The next prime is 712806431. The reversal of 712806423 is 324608217.

It is not a de Polignac number, because 712806423 - 21 = 712806421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712806421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642193 + ... + 643301.

It is an arithmetic number, because the mean of its divisors is an integer number (34383360).

Almost surely, 2712806423 is an apocalyptic number.

712806423 is a deficient number, since it is larger than the sum of its proper divisors (387461097).

712806423 is a wasteful number, since it uses less digits than its factorization.

712806423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 712806423 is about 26698.4348417655. The cubic root of 712806423 is about 893.2860148726.

The spelling of 712806423 in words is "seven hundred twelve million, eight hundred six thousand, four hundred twenty-three".

Divisors: 1 3 7 21 127 241 381 723 889 1109 1687 2667 3327 5061 7763 23289 30607 91821 140843 214249 267269 422529 642747 801807 985901 1870883 2957703 5612649 33943163 101829489 237602141 712806423