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53400790 = 2519727107
BaseRepresentation
bin1100101110110…
…1010011010110
310201111001010001
43023231103112
5102132311130
65144321514
71215620302
oct313552326
9121431101
1053400790
1128163893
1215a7329a
13b0a9301
147140d02
154a4c6ca
hex32ed4d6

53400790 has 16 divisors (see below), whose sum is σ = 96612912. Its totient is φ = 21251104.

The previous prime is 53400751. The next prime is 53400793. The reversal of 53400790 is 9700435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53400793) 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, 11584 + ... + 15523.

It is an arithmetic number, because the mean of its divisors is an integer number (6038307).

Almost surely, 253400790 is an apocalyptic number.

53400790 is a deficient number, since it is larger than the sum of its proper divisors (43212122).

53400790 is a wasteful number, since it uses less digits than its factorization.

53400790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27311.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 53400790 is about 7307.5844162076. The cubic root of 53400790 is about 376.5730425760.

The spelling of 53400790 in words is "fifty-three million, four hundred thousand, seven hundred ninety".

Divisors: 1 2 5 10 197 394 985 1970 27107 54214 135535 271070 5340079 10680158 26700395 53400790