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117214431 = 3433132903
BaseRepresentation
bin1101111110010…
…00110011011111
322011120002222020
412333020303133
5220001330211
615344151223
72622210015
oct677106337
9264502866
10117214431
1160189a34
1233308513
131b390069
14117d28b5
15a455306
hex6fc8cdf

117214431 has 16 divisors (see below), whose sum is σ = 160486656. Its totient is φ = 76055616.

The previous prime is 117214403. The next prime is 117214453. The reversal of 117214431 is 134412711.

It is not a de Polignac number, because 117214431 - 29 = 117213919 is a prime.

It is a super-2 number, since 2×1172144312 = 27478445669307522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117214231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38926 + ... + 41828.

It is an arithmetic number, because the mean of its divisors is an integer number (10030416).

Almost surely, 2117214431 is an apocalyptic number.

117214431 is a deficient number, since it is larger than the sum of its proper divisors (43272225).

117214431 is a wasteful number, since it uses less digits than its factorization.

117214431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262.

The product of its digits is 672, while the sum is 24.

The square root of 117214431 is about 10826.5613654567. The cubic root of 117214431 is about 489.3959389595.

The spelling of 117214431 in words is "one hundred seventeen million, two hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 3 43 129 313 939 2903 8709 13459 40377 124829 374487 908639 2725917 39071477 117214431