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50891464 = 23131992459
BaseRepresentation
bin1100001000100…
…0101011001000
310112202112222001
43002020223020
5101012011324
65014440344
71155366421
oct302105310
9115675861
1050891464
11267aa568
12150630b4
13a70b0c0
146a8a648
154703e44
hex3088ac8

50891464 has 32 divisors (see below), whose sum is σ = 103320000. Its totient is φ = 23360832.

The previous prime is 50891437. The next prime is 50891483. The reversal of 50891464 is 46419805.

It is a happy number.

It is a super-2 number, since 2×508914642 = 5179882216126592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19467 + ... + 21925.

It is an arithmetic number, because the mean of its divisors is an integer number (3228750).

Almost surely, 250891464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50891464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51660000).

50891464 is an abundant number, since it is smaller than the sum of its proper divisors (52428536).

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

50891464 is a wasteful number, since it uses less digits than its factorization.

50891464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 50891464 is about 7133.8253412878. The cubic root of 50891464 is about 370.5797194117.

The spelling of 50891464 in words is "fifty million, eight hundred ninety-one thousand, four hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 199 398 796 1592 2459 2587 4918 5174 9836 10348 19672 20696 31967 63934 127868 255736 489341 978682 1957364 3914728 6361433 12722866 25445732 50891464