Search a number
-
+
50157240 = 2335729271
BaseRepresentation
bin1011111101010…
…1011010111000
310111101020210120
42333111122320
5100320012430
64551013240
71146221010
oct277253270
9114336716
1050157240
1126348971
121496a220
13a511b53
146938c40
15460b610
hex2fd56b8

50157240 has 192 divisors, whose sum is σ = 180610560. Its totient is φ = 10913280.

The previous prime is 50157229. The next prime is 50157277. The reversal of 50157240 is 4275105.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50157240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 706405 + ... + 706475.

It is an arithmetic number, because the mean of its divisors is an integer number (940680).

Almost surely, 250157240 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 50157240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90305280).

50157240 is an abundant number, since it is smaller than the sum of its proper divisors (130453320).

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

50157240 is a wasteful number, since it uses less digits than its factorization.

50157240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 50157240 is about 7082.1776312092. The cubic root of 50157240 is about 368.7889304871.

The spelling of 50157240 in words is "fifty million, one hundred fifty-seven thousand, two hundred forty".