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53930643 = 3134332159
BaseRepresentation
bin1100110110111…
…0101010010011
310202110221221020
43031232222103
5102301240033
65203530523
71223255124
oct315565223
9122427836
1053930643
1128495988
1216089a43
13b233530
14723c04b
154b046b3
hex336ea93

53930643 has 16 divisors (see below), whose sum is σ = 79242240. Its totient is φ = 32415264.

The previous prime is 53930641. The next prime is 53930663. The reversal of 53930643 is 34603935.

It is not a de Polignac number, because 53930643 - 21 = 53930641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53930641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14403 + ... + 17756.

It is an arithmetic number, because the mean of its divisors is an integer number (4952640).

Almost surely, 253930643 is an apocalyptic number.

53930643 is a deficient number, since it is larger than the sum of its proper divisors (25311597).

53930643 is a wasteful number, since it uses less digits than its factorization.

53930643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32218.

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 53930643 is about 7343.7485659573. The cubic root of 53930643 is about 377.8144227781.

The spelling of 53930643 in words is "fifty-three million, nine hundred thirty thousand, six hundred forty-three".

Divisors: 1 3 13 39 43 129 559 1677 32159 96477 418067 1254201 1382837 4148511 17976881 53930643