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50500513 = 729476779
BaseRepresentation
bin1100000010100…
…1001110100001
310112000200200101
43000221032201
5100412004023
65002222401
71152150550
oct300511641
9115020611
1050500513
1126562868
1214ab4a01
13a60217b
1469c7d97
1546781ad
hex30293a1

50500513 has 32 divisors (see below), whose sum is σ = 62668800. Its totient is φ = 39783744.

The previous prime is 50500511. The next prime is 50500543. The reversal of 50500513 is 31500505.

It is not a de Polignac number, because 50500513 - 21 = 50500511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50500511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639208 + ... + 639286.

It is an arithmetic number, because the mean of its divisors is an integer number (1958400).

Almost surely, 250500513 is an apocalyptic number.

It is an amenable number.

50500513 is a deficient number, since it is larger than the sum of its proper divisors (12168287).

50500513 is a wasteful number, since it uses less digits than its factorization.

50500513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 50500513 is about 7106.3712962383. The cubic root of 50500513 is about 369.6283411900.

The spelling of 50500513 in words is "fifty million, five hundred thousand, five hundred thirteen".

Divisors: 1 7 29 47 67 79 203 329 469 553 1363 1943 2291 3149 3713 5293 9541 13601 16037 22043 25991 37051 91321 107677 153497 248771 639247 753739 1074479 1741397 7214359 50500513