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139650950 = 252192937137
BaseRepresentation
bin10000101001011…
…10011110000110
3100201210000002102
420110232132012
5241222312300
621505112102
73314004425
oct1024563606
9321700072
10139650950
117191390a
123a928632
1322c174ca
14147932bc
15c3d80d5
hex852e786

139650950 has 96 divisors (see below), whose sum is σ = 292615200. Its totient is φ = 49351680.

The previous prime is 139650947. The next prime is 139650977. The reversal of 139650950 is 59056931.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1019282 + ... + 1019418.

It is an arithmetic number, because the mean of its divisors is an integer number (3048075).

Almost surely, 2139650950 is an apocalyptic number.

139650950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139650950 is an abundant number, since it is smaller than the sum of its proper divisors (152964250).

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

139650950 is a wasteful number, since it uses less digits than its factorization.

139650950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 139650950 is about 11817.4003063280. The cubic root of 139650950 is about 518.8175177034.

The spelling of 139650950 in words is "one hundred thirty-nine million, six hundred fifty thousand, nine hundred fifty".

Divisors: 1 2 5 10 19 25 29 37 38 50 58 74 95 137 145 185 190 274 290 370 475 551 685 703 725 925 950 1073 1102 1370 1406 1450 1850 2146 2603 2755 3425 3515 3973 5069 5206 5365 5510 6850 7030 7946 10138 10730 13015 13775 17575 19865 20387 25345 26030 26825 27550 35150 39730 40774 50690 53650 65075 75487 96311 99325 101935 126725 130150 147001 150974 192622 198650 203870 253450 294002 377435 481555 509675 735005 754870 963110 1019350 1470010 1887175 2407775 2793019 3675025 3774350 4815550 5586038 7350050 13965095 27930190 69825475 139650950