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83694942 = 23243711523
BaseRepresentation
bin1001111110100…
…01010101011110
312211111010212200
410333101111132
5132411214232
612145512330
72034252402
oct477212536
9184433780
1083694942
1143275281
12240426a6
1314455146
14b189102
15753377c
hex4fd155e

83694942 has 48 divisors (see below), whose sum is σ = 188293248. Its totient is φ = 26848080.

The previous prime is 83694937. The next prime is 83694967. The reversal of 83694942 is 24949638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54193 + ... + 55715.

It is an arithmetic number, because the mean of its divisors is an integer number (3922776).

Almost surely, 283694942 is an apocalyptic number.

83694942 is an abundant number, since it is smaller than the sum of its proper divisors (104598306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83694942 is a wasteful number, since it uses less digits than its factorization.

83694942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1642 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 83694942 is about 9148.4939744201. The cubic root of 83694942 is about 437.4211092581.

The spelling of 83694942 in words is "eighty-three million, six hundred ninety-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 43 71 86 129 142 213 258 387 426 639 774 1278 1523 3046 3053 4569 6106 9138 9159 13707 18318 27414 27477 54954 65489 108133 130978 196467 216266 324399 392934 589401 648798 973197 1178802 1946394 4649719 9299438 13949157 27898314 41847471 83694942