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53930493 = 32191132791
BaseRepresentation
bin1100110110111…
…0100111111101
310202110221201200
43031232213331
5102301233433
65203530113
71223254521
oct315564775
9122427650
1053930493
1128495861
1216089939
13b233446
14723bd81
154b04613
hex336e9fd

53930493 has 24 divisors (see below), whose sum is σ = 82754880. Its totient is φ = 33747840.

The previous prime is 53930489. The next prime is 53930507. The reversal of 53930493 is 39403935.

It is a happy number.

53930493 is a `hidden beast` number, since 539 + 30 + 4 + 93 = 666.

It is not a de Polignac number, because 53930493 - 22 = 53930489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53930453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17928 + ... + 20718.

It is an arithmetic number, because the mean of its divisors is an integer number (3448120).

Almost surely, 253930493 is an apocalyptic number.

It is an amenable number.

53930493 is a deficient number, since it is larger than the sum of its proper divisors (28824387).

53930493 is a wasteful number, since it uses less digits than its factorization.

53930493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 53930493 is about 7343.7383531823. The cubic root of 53930493 is about 377.8140724997.

The spelling of 53930493 in words is "fifty-three million, nine hundred thirty thousand, four hundred ninety-three".

Divisors: 1 3 9 19 57 113 171 339 1017 2147 2791 6441 8373 19323 25119 53029 159087 315383 477261 946149 2838447 5992277 17976831 53930493