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50380572 = 22311596469
BaseRepresentation
bin1100000000101…
…1111100011100
310111210121011010
43000023330130
5100344134242
64555455220
71151141064
oct300137434
9114717133
1050380572
1126490740
1214a57510
13a58c6b8
1469963a4
15465289c
hex300bf1c

50380572 has 48 divisors (see below), whose sum is σ = 130435200. Its totient is φ = 15005760.

The previous prime is 50380567. The next prime is 50380573. The reversal of 50380572 is 27508305.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50380573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4554 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (2717400).

Almost surely, 250380572 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 50380572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65217600).

50380572 is an abundant number, since it is smaller than the sum of its proper divisors (80054628).

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

50380572 is a wasteful number, since it uses less digits than its factorization.

50380572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546 (or 6544 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 50380572 is about 7097.9273030935. The cubic root of 50380572 is about 369.3354812122.

Adding to 50380572 its reverse (27508305), we get a palindrome (77888877).

The spelling of 50380572 in words is "fifty million, three hundred eighty thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 59 66 118 132 177 236 354 649 708 1298 1947 2596 3894 6469 7788 12938 19407 25876 38814 71159 77628 142318 213477 284636 381671 426954 763342 853908 1145013 1526684 2290026 4198381 4580052 8396762 12595143 16793524 25190286 50380572