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139211372 = 2234802843
BaseRepresentation
bin10000100110000…
…11001001101100
3100200221200002202
420103003021230
5241114230442
621451441032
73310164026
oct1023031154
9320850082
10139211372
1171643623
123a756178
1322ac23c1
14146bb016
15c34cc32
hex84c326c

139211372 has 6 divisors (see below), whose sum is σ = 243619908. Its totient is φ = 69605684.

The previous prime is 139211357. The next prime is 139211383. The reversal of 139211372 is 273112931.

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 as a sum of consecutive naturals, namely, 17401418 + ... + 17401425.

It is an arithmetic number, because the mean of its divisors is an integer number (40603318).

Almost surely, 2139211372 is an apocalyptic number.

It is an amenable number.

139211372 is a deficient number, since it is larger than the sum of its proper divisors (104408536).

139211372 is a wasteful number, since it uses less digits than its factorization.

139211372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34802847 (or 34802845 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 139211372 is about 11798.7868867948. The cubic root of 139211372 is about 518.2725865151.

The spelling of 139211372 in words is "one hundred thirty-nine million, two hundred eleven thousand, three hundred seventy-two".

Divisors: 1 2 4 34802843 69605686 139211372