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53113430 = 2519992657
BaseRepresentation
bin1100101010011…
…1001001010110
310200221102221002
43022213021112
5102044112210
65134223302
71213312436
oct312471126
9120842832
1053113430
1127a879a7
1215954b32
13b008586
1470a82c6
1549e24a5
hex32a7256

53113430 has 16 divisors (see below), whose sum is σ = 95688000. Its totient is φ = 21226752.

The previous prime is 53113421. The next prime is 53113499. The reversal of 53113430 is 3431135.

It is a happy number.

53113430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 18662 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (5980500).

Almost surely, 253113430 is an apocalyptic number.

53113430 is a deficient number, since it is larger than the sum of its proper divisors (42574570).

53113430 is a wasteful number, since it uses less digits than its factorization.

53113430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53113430 is about 7287.8961298855. The cubic root of 53113430 is about 375.8963564871.

Adding to 53113430 its reverse (3431135), we get a palindrome (56544565).

The spelling of 53113430 in words is "fifty-three million, one hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 5 10 1999 2657 3998 5314 9995 13285 19990 26570 5311343 10622686 26556715 53113430