Search a number
-
+
50913880 = 2351272847
BaseRepresentation
bin1100001000111…
…0001001011000
310112210200201021
43002032021120
5101013221010
65015132224
71155521653
oct302161130
9115720637
1050913880
1126815396
1215074074
13a718374
146a9489a
15470a8da
hex308e258

50913880 has 16 divisors (see below), whose sum is σ = 114556320. Its totient is φ = 20365536.

The previous prime is 50913869. The next prime is 50913883. The reversal of 50913880 is 8831905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50913883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636384 + ... + 636463.

It is an arithmetic number, because the mean of its divisors is an integer number (7159770).

Almost surely, 250913880 is an apocalyptic number.

It is an amenable number.

50913880 is an abundant number, since it is smaller than the sum of its proper divisors (63642440).

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

50913880 is a wasteful number, since it uses less digits than its factorization.

50913880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272858 (or 1272854 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 50913880 is about 7135.3962749100. The cubic root of 50913880 is about 370.6341207788.

The spelling of 50913880 in words is "fifty million, nine hundred thirteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1272847 2545694 5091388 6364235 10182776 12728470 25456940 50913880