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102131034 = 23137124247
BaseRepresentation
bin1100001011001…
…10010101011010
321010011210102220
412011212111122
5202121143114
614045004510
72350046055
oct605462532
9233153386
10102131034
1152717615
122a253736
131820b785
14d7c7a9c
158e760a9
hex616655a

102131034 has 16 divisors (see below), whose sum is σ = 205754688. Its totient is φ = 33794912.

The previous prime is 102131033. The next prime is 102131059. The reversal of 102131034 is 430131201.

It is not an unprimeable number, because it can be changed into a prime (102131033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61302 + ... + 62945.

It is an arithmetic number, because the mean of its divisors is an integer number (12859668).

Almost surely, 2102131034 is an apocalyptic number.

102131034 is an abundant number, since it is smaller than the sum of its proper divisors (103623654).

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

102131034 is a wasteful number, since it uses less digits than its factorization.

102131034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124389.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102131034 is about 10105.9900059321. The cubic root of 102131034 is about 467.4328636660.

Adding to 102131034 its reverse (430131201), we get a palindrome (532262235).

The spelling of 102131034 in words is "one hundred two million, one hundred thirty-one thousand, thirty-four".

Divisors: 1 2 3 6 137 274 411 822 124247 248494 372741 745482 17021839 34043678 51065517 102131034