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50139834 = 231731101157
BaseRepresentation
bin1011111101000…
…1001010111010
310111100100220220
42333101022322
5100313433314
64550400510
71146116163
oct277211272
9114310826
1050139834
1126336888
1214960136
13a506c54
14693276a
1546063a9
hex2fd12ba

50139834 has 64 divisors (see below), whose sum is σ = 111393792. Its totient is φ = 14976000.

The previous prime is 50139833. The next prime is 50139853. The reversal of 50139834 is 43893105.

It is a junction number, because it is equal to n+sod(n) for n = 50139795 and 50139804.

It is not an unprimeable number, because it can be changed into a prime (50139833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319284 + ... + 319440.

It is an arithmetic number, because the mean of its divisors is an integer number (1740528).

Almost surely, 250139834 is an apocalyptic number.

50139834 is an abundant number, since it is smaller than the sum of its proper divisors (61253958).

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

50139834 is a wasteful number, since it uses less digits than its factorization.

50139834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 50139834 is about 7080.9486652567. The cubic root of 50139834 is about 368.7462654414.

The spelling of 50139834 in words is "fifty million, one hundred thirty-nine thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 17 31 34 51 62 93 101 102 157 186 202 303 314 471 527 606 942 1054 1581 1717 2669 3131 3162 3434 4867 5151 5338 6262 8007 9393 9734 10302 14601 15857 16014 18786 29202 31714 47571 53227 82739 95142 106454 159681 165478 248217 269569 319362 491567 496434 539138 808707 983134 1474701 1617414 2949402 8356639 16713278 25069917 50139834