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50081694 = 231317179211
BaseRepresentation
bin1011111100001…
…0111110011110
310111020102011120
42333002332132
5100310103234
64545231410
71145454525
oct277027636
9114212146
1050081694
11262a7133
1214932566
13a4b6650
1469194bc
1545e4049
hex2fc2f9e

50081694 has 64 divisors (see below), whose sum is σ = 115395840. Its totient is φ = 14353920.

The previous prime is 50081687. The next prime is 50081699. The reversal of 50081694 is 49618005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50081699) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 237249 + ... + 237459.

It is an arithmetic number, because the mean of its divisors is an integer number (1803060).

Almost surely, 250081694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50081694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57697920).

50081694 is an abundant number, since it is smaller than the sum of its proper divisors (65314146).

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

50081694 is a wasteful number, since it uses less digits than its factorization.

50081694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 50081694 is about 7076.8420923460. The cubic root of 50081694 is about 368.6036828675.

Adding to 50081694 its reverse (49618005), we get a palindrome (99699699).

The spelling of 50081694 in words is "fifty million, eighty-one thousand, six hundred ninety-four".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 179 211 221 358 422 442 537 633 663 1074 1266 1326 2327 2743 3043 3587 4654 5486 6086 6981 7174 8229 9129 10761 13962 16458 18258 21522 37769 39559 46631 75538 79118 93262 113307 118677 139893 226614 237354 279786 490997 642073 981994 1284146 1472991 1926219 2945982 3852438 8346949 16693898 25040847 50081694