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139086024 = 233711731031
BaseRepresentation
bin10000100101001…
…00100011001000
3100200201022011020
420102210203020
5241101223044
621445032440
73306132420
oct1022444310
9320638136
10139086024
1171568430
123a6b5720
1322a7a32c
1414687480
15c325a19
hex84a48c8

139086024 has 128 divisors (see below), whose sum is σ = 439879680. Its totient is φ = 35596800.

The previous prime is 139085977. The next prime is 139086053. The reversal of 139086024 is 420680931.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134389 + ... + 135419.

It is an arithmetic number, because the mean of its divisors is an integer number (3436560).

Almost surely, 2139086024 is an apocalyptic number.

139086024 is a gapful number since it is divisible by the number (14) 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 139086024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219939840).

139086024 is an abundant number, since it is smaller than the sum of its proper divisors (300793656).

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

139086024 is a wasteful number, since it uses less digits than its factorization.

139086024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 139086024 is about 11793.4737884985. The cubic root of 139086024 is about 518.1169863432.

The spelling of 139086024 in words is "one hundred thirty-nine million, eighty-six thousand, twenty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 73 77 84 88 132 146 154 168 219 231 264 292 308 438 462 511 584 616 803 876 924 1022 1031 1533 1606 1752 1848 2044 2062 2409 3066 3093 3212 4088 4124 4818 5621 6132 6186 6424 7217 8248 9636 11242 11341 12264 12372 14434 16863 19272 21651 22484 22682 24744 28868 33726 34023 43302 44968 45364 57736 67452 68046 75263 79387 86604 90728 134904 136092 150526 158774 173208 225789 238161 272184 301052 317548 451578 476322 526841 602104 635096 827893 903156 952644 1053682 1580523 1655786 1806312 1905288 2107364 2483679 3161046 3311572 4214728 4967358 5795251 6322092 6623144 9934716 11590502 12644184 17385753 19869432 23181004 34771506 46362008 69543012 139086024