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53190544 = 2411319749
BaseRepresentation
bin1100101011100…
…1111110010000
310201002100201011
43022321332100
5102104044134
65140020304
71214053321
oct312717620
9121070634
1053190544
112802a930
1215991694
13b0346c4
1470c8448
154a0a264
hex32b9f90

53190544 has 40 divisors (see below), whose sum is σ = 116064000. Its totient is φ = 23395200.

The previous prime is 53190523. The next prime is 53190547. The reversal of 53190544 is 44509135.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (53190547) 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, 582 + ... + 10330.

It is an arithmetic number, because the mean of its divisors is an integer number (2901600).

Almost surely, 253190544 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 53190544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58032000).

53190544 is an abundant number, since it is smaller than the sum of its proper divisors (62873456).

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

53190544 is a wasteful number, since it uses less digits than its factorization.

53190544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9799 (or 9793 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 53190544 is about 7293.1847638737. The cubic root of 53190544 is about 376.0781865472.

Adding to 53190544 its reverse (44509135), we get a palindrome (97699679).

The spelling of 53190544 in words is "fifty-three million, one hundred ninety thousand, five hundred forty-four".

Divisors: 1 2 4 8 11 16 22 31 44 62 88 124 176 248 341 496 682 1364 2728 5456 9749 19498 38996 77992 107239 155984 214478 302219 428956 604438 857912 1208876 1715824 2417752 3324409 4835504 6648818 13297636 26595272 53190544