Search a number
-
+
139083696 = 24331731861
BaseRepresentation
bin10000100101000…
…11111110110000
3100200201011222000
420102203332300
5241101134241
621445014000
73306122553
oct1022437660
9320634860
10139083696
1171566704
123a6b4300
1322a7925b
141468669a
15c324eb6
hex84a3fb0

139083696 has 80 divisors (see below), whose sum is σ = 401745120. Its totient is φ = 46068480.

The previous prime is 139083689. The next prime is 139083697. The reversal of 139083696 is 696380931.

It is not an unprimeable number, because it can be changed into a prime (139083697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73806 + ... + 75666.

It is an arithmetic number, because the mean of its divisors is an integer number (5021814).

Almost surely, 2139083696 is an apocalyptic number.

139083696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139083696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200872560).

139083696 is an abundant number, since it is smaller than the sum of its proper divisors (262661424).

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

139083696 is a wasteful number, since it uses less digits than its factorization.

139083696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 139083696 is about 11793.3750894305. The cubic root of 139083696 is about 518.1140956069.

The spelling of 139083696 in words is "one hundred thirty-nine million, eighty-three thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 173 216 346 432 519 692 1038 1384 1557 1861 2076 2768 3114 3722 4152 4671 5583 6228 7444 8304 9342 11166 12456 14888 16749 18684 22332 24912 29776 33498 37368 44664 50247 66996 74736 89328 100494 133992 200988 267984 321953 401976 643906 803952 965859 1287812 1931718 2575624 2897577 3863436 5151248 5795154 7726872 8692731 11590308 15453744 17385462 23180616 34770924 46361232 69541848 139083696