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139683024 = 243213293183
BaseRepresentation
bin10000101001101…
…10010011010000
3100201211122002100
420110312103100
5241224324044
621505520400
73314200065
oct1024662320
9321748070
10139683024
1171935a18
123a943100
1322c28ca0
14147a0c6c
15c3e2869
hex85364d0

139683024 has 240 divisors, whose sum is σ = 454970880. Its totient is φ = 39674880.

The previous prime is 139682989. The next prime is 139683113. The reversal of 139683024 is 420386931.

It is a super-2 number, since 2×1396830242 = 39022694387569152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 139683024.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1682887 + ... + 1682969.

It is an arithmetic number, because the mean of its divisors is an integer number (1895712).

Almost surely, 2139683024 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 139683024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227485440).

139683024 is an abundant number, since it is smaller than the sum of its proper divisors (315287856).

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

139683024 is a wasteful number, since it uses less digits than its factorization.

139683024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 139683024 is about 11818.7572950797. The cubic root of 139683024 is about 518.8572340563.

The spelling of 139683024 in words is "one hundred thirty-nine million, six hundred eighty-three thousand, twenty-four".