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139483932 = 22373744879
BaseRepresentation
bin10000101000001…
…01101100011100
3100201110111222120
420110011230130
5241201441212
621501342540
73312410460
oct1024055434
9321414876
10139483932
117180a385
123a867a50
1322b89493
141474c4a0
15c3a388c
hex8505b1c

139483932 has 48 divisors (see below), whose sum is σ = 382018560. Its totient is φ = 38774592.

The previous prime is 139483931. The next prime is 139483933. The reversal of 139483932 is 239384931.

It is an interprime number because it is at equal distance from previous prime (139483931) and next prime (139483933).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139483931) 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 15 ways as a sum of consecutive naturals, for example, 19332 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (7958720).

Almost surely, 2139483932 is an apocalyptic number.

139483932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139483932 is an abundant number, since it is smaller than the sum of its proper divisors (242534628).

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

139483932 is a wasteful number, since it uses less digits than its factorization.

139483932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44930 (or 44928 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 139483932 is about 11810.3315787492. The cubic root of 139483932 is about 518.6106055618.

Subtracting 139483932 from its reverse (239384931), we obtain a palindrome (99900999).

The spelling of 139483932 in words is "one hundred thirty-nine million, four hundred eighty-three thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 3108 44879 89758 134637 179516 269274 314153 538548 628306 942459 1256612 1660523 1884918 3321046 3769836 4981569 6642092 9963138 11623661 19926276 23247322 34870983 46494644 69741966 139483932