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140358738 = 23131994709
BaseRepresentation
bin10000101110110…
…11010001010010
3100210002221222210
420113123101102
5241412434423
621532212550
73323013102
oct1027332122
9323087883
10140358738
1172257663
123b00a156
1323104710
14148d9202
15c4c7b93
hex85db452

140358738 has 32 divisors (see below), whose sum is σ = 318225600. Its totient is φ = 40913856.

The previous prime is 140358737. The next prime is 140358761. The reversal of 140358738 is 837853041.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 140358696 and 140358705.

It is not an unprimeable number, because it can be changed into a prime (140358737) 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 15 ways as a sum of consecutive naturals, for example, 45873 + ... + 48836.

It is an arithmetic number, because the mean of its divisors is an integer number (9944550).

Almost surely, 2140358738 is an apocalyptic number.

140358738 is an abundant number, since it is smaller than the sum of its proper divisors (177866862).

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

140358738 is a wasteful number, since it uses less digits than its factorization.

140358738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94746.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 140358738 is about 11847.3093147769. The cubic root of 140358738 is about 519.6925426062.

The spelling of 140358738 in words is "one hundred forty million, three hundred fifty-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 94709 189418 284127 568254 1231217 1799471 2462434 3598942 3693651 5398413 7387302 10796826 23393123 46786246 70179369 140358738