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139476370 = 251123291901
BaseRepresentation
bin10000101000000…
…11110110010010
3100201110010121111
420110003312102
5241201220440
621501243534
73312346435
oct1024036622
9321403544
10139476370
1171804730
123a8635aa
1322b85bc7
141474981c
15c3a14ea
hex8503d92

139476370 has 64 divisors (see below), whose sum is σ = 295799040. Its totient is φ = 46816000.

The previous prime is 139476361. The next prime is 139476371. The reversal of 139476370 is 73674931.

It is not an unprimeable number, because it can be changed into a prime (139476371) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 72420 + ... + 74320.

It is an arithmetic number, because the mean of its divisors is an integer number (4621860).

Almost surely, 2139476370 is an apocalyptic number.

139476370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139476370 is an abundant number, since it is smaller than the sum of its proper divisors (156322670).

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

139476370 is a wasteful number, since it uses less digits than its factorization.

139476370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 139476370 is about 11810.0114309852. The cubic root of 139476370 is about 518.6012333849.

The spelling of 139476370 in words is "one hundred thirty-nine million, four hundred seventy-six thousand, three hundred seventy".

Divisors: 1 2 5 10 11 22 23 29 46 55 58 110 115 145 230 253 290 319 506 638 667 1265 1334 1595 1901 2530 3190 3335 3802 6670 7337 9505 14674 19010 20911 36685 41822 43723 55129 73370 87446 104555 110258 209110 218615 275645 437230 480953 551290 606419 961906 1212838 1267967 2404765 2535934 3032095 4809530 6064190 6339835 12679670 13947637 27895274 69738185 139476370