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50072904 = 2334721983
BaseRepresentation
bin1011111100000…
…0110101001000
310111012222010000
42333000311020
5100304313104
64545123000
71145420100
oct277006510
9114188100
1050072904
11262a0572
1214929460
13a4b264b
146916200
1545e1639
hex2fc0d48

50072904 has 240 divisors, whose sum is σ = 173804400. Its totient is φ = 13390272.

The previous prime is 50072881. The next prime is 50072917. The reversal of 50072904 is 40927005.

50072904 is a `hidden beast` number, since 500 + 72 + 90 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 603247 + ... + 603329.

It is an arithmetic number, because the mean of its divisors is an integer number (724185).

Almost surely, 250072904 is an apocalyptic number.

50072904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50072904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86902200).

50072904 is an abundant number, since it is smaller than the sum of its proper divisors (123731496).

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

50072904 is a wasteful number, since it uses less digits than its factorization.

50072904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 50072904 is about 7076.2210253779. The cubic root of 50072904 is about 368.5821166645.

Adding to 50072904 its reverse (40927005), we get a palindrome (90999909).

The spelling of 50072904 in words is "fifty million, seventy-two thousand, nine hundred four".