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12377950 = 25213137139
BaseRepresentation
bin101111001101…
…111101011110
3212021212100121
4233031331132
511132043300
61121145154
7210132214
oct57157536
925255317
1012377950
116a94812
12418b1ba
132745040
141902cb4
15114781a
hexbcdf5e

12377950 has 48 divisors (see below), whose sum is σ = 25154640. Its totient is φ = 4504320.

The previous prime is 12377947. The next prime is 12377969. The reversal of 12377950 is 5977321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88981 + ... + 89119.

It is an arithmetic number, because the mean of its divisors is an integer number (524055).

Almost surely, 212377950 is an apocalyptic number.

12377950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12377950 is an abundant number, since it is smaller than the sum of its proper divisors (12776690).

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

12377950 is a wasteful number, since it uses less digits than its factorization.

12377950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 12377950 is about 3518.2310896244. The cubic root of 12377950 is about 231.3216286511.

The spelling of 12377950 in words is "twelve million, three hundred seventy-seven thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 137 139 274 278 325 650 685 695 1370 1390 1781 1807 3425 3475 3562 3614 6850 6950 8905 9035 17810 18070 19043 38086 44525 45175 89050 90350 95215 190430 247559 476075 495118 952150 1237795 2475590 6188975 12377950