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139513192 = 2373133911
BaseRepresentation
bin10000101000011…
…00110101101000
3100201112000010021
420110030311220
5241203410232
621502130224
73312562000
oct1024146550
9321460107
10139513192
117182a365
123a880974
1322b998b0
1414759000
15c3ac397
hex850cd68

139513192 has 64 divisors (see below), whose sum is σ = 328608000. Its totient is φ = 55177920.

The previous prime is 139513163. The next prime is 139513207. The reversal of 139513192 is 291315931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33717 + ... + 37627.

It is an arithmetic number, because the mean of its divisors is an integer number (5134500).

Almost surely, 2139513192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139513192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164304000).

139513192 is an abundant number, since it is smaller than the sum of its proper divisors (189094808).

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

139513192 is a wasteful number, since it uses less digits than its factorization.

139513192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951 (or 3933 counting only the distinct ones).

The product of its digits is 7290, while the sum is 34.

The square root of 139513192 is about 11811.5702597072. The cubic root of 139513192 is about 518.6468665733.

The spelling of 139513192 in words is "one hundred thirty-nine million, five hundred thirteen thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 182 196 343 364 392 637 686 728 1274 1372 2548 2744 3911 4459 5096 7822 8918 15644 17836 27377 31288 35672 50843 54754 101686 109508 191639 203372 219016 355901 383278 406744 711802 766556 1341473 1423604 1533112 2491307 2682946 2847208 4982614 5365892 9965228 10731784 17439149 19930456 34878298 69756596 139513192