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52124180 = 22510325303
BaseRepresentation
bin1100011011010…
…1101000010100
310122002011221012
43012311220110
5101320433210
65101111352
71202022353
oct306655024
9118064835
1052124180
1127471739
1215558558
13aa50214
146ccb99a
154899305
hex31b5a14

52124180 has 24 divisors (see below), whose sum is σ = 110527872. Its totient is φ = 20646432.

The previous prime is 52124179. The next prime is 52124183. The reversal of 52124180 is 8142125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52124183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10592 + ... + 14711.

It is an arithmetic number, because the mean of its divisors is an integer number (4605328).

Almost surely, 252124180 is an apocalyptic number.

It is an amenable number.

52124180 is an abundant number, since it is smaller than the sum of its proper divisors (58403692).

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

52124180 is a wasteful number, since it uses less digits than its factorization.

52124180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25415 (or 25413 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 52124180 is about 7219.7077503179. The cubic root of 52124180 is about 373.5479969405.

The spelling of 52124180 in words is "fifty-two million, one hundred twenty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 25303 50606 101212 126515 253030 506060 2606209 5212418 10424836 13031045 26062090 52124180