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140087922 = 231317293643
BaseRepresentation
bin10000101100110…
…01001001110010
3100202121012111120
420112121021302
5241330303142
621522323110
73320504412
oct1026311162
9322535446
10140087922
1172092147
123aab9496
132303b380
1414868642
15c4727ec
hex8599272

140087922 has 64 divisors (see below), whose sum is σ = 330583680. Its totient is φ = 39158784.

The previous prime is 140087897. The next prime is 140087923. The reversal of 140087922 is 229780041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140087923) 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, 36633 + ... + 40275.

It is an arithmetic number, because the mean of its divisors is an integer number (5165370).

Almost surely, 2140087922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140087922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165291840).

140087922 is an abundant number, since it is smaller than the sum of its proper divisors (190495758).

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

140087922 is a wasteful number, since it uses less digits than its factorization.

140087922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 140087922 is about 11835.8743656732. The cubic root of 140087922 is about 519.3580861208.

The spelling of 140087922 in words is "one hundred forty million, eighty-seven thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 13 17 26 29 34 39 51 58 78 87 102 174 221 377 442 493 663 754 986 1131 1326 1479 2262 2958 3643 6409 7286 10929 12818 19227 21858 38454 47359 61931 94718 105647 123862 142077 185793 211294 284154 316941 371586 633882 805103 1373411 1610206 1795999 2415309 2746822 3591998 4120233 4830618 5387997 8240466 10775994 23347987 46695974 70043961 140087922