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53108420 = 22519139759
BaseRepresentation
bin1100101010010…
…1111011000100
310200221012001112
43022211323010
5102043432140
65134144152
71213262021
oct312457304
9120835045
1053108420
1127a84162
1215952058
13b006201
1470a6548
1549e0c65
hex32a5ec4

53108420 has 24 divisors (see below), whose sum is σ = 117398400. Its totient is φ = 20125152.

The previous prime is 53108399. The next prime is 53108443. The reversal of 53108420 is 2480135.

53108420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69500 + ... + 70259.

It is an arithmetic number, because the mean of its divisors is an integer number (4891600).

Almost surely, 253108420 is an apocalyptic number.

It is an amenable number.

53108420 is an abundant number, since it is smaller than the sum of its proper divisors (64289980).

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

53108420 is a wasteful number, since it uses less digits than its factorization.

53108420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139787 (or 139785 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 53108420 is about 7287.5524011838. The cubic root of 53108420 is about 375.8845371289.

Adding to 53108420 its reverse (2480135), we get a palindrome (55588555).

The spelling of 53108420 in words is "fifty-three million, one hundred eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 139759 279518 559036 698795 1397590 2655421 2795180 5310842 10621684 13277105 26554210 53108420