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53930286 = 234332903
BaseRepresentation
bin1100110110111…
…0100100101110
310202110221110000
43031232210232
5102301232121
65203525130
71223254104
oct315564456
9122427400
1053930286
1128495693
12160897a6
13b233317
14723bc74
154b04526
hex336e92e

53930286 has 20 divisors (see below), whose sum is σ = 120844152. Its totient is φ = 17976708.

The previous prime is 53930269. The next prime is 53930287. The reversal of 53930286 is 68203935.

It is a self number, because there is not a number n which added to its sum of digits gives 53930286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53930287) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 166290 + ... + 166613.

Almost surely, 253930286 is an apocalyptic number.

53930286 is an abundant number, since it is smaller than the sum of its proper divisors (66913866).

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

53930286 is a wasteful number, since it uses less digits than its factorization.

53930286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332917 (or 332908 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 53930286 is about 7343.7242595294. The cubic root of 53930286 is about 377.8135891145.

The spelling of 53930286 in words is "fifty-three million, nine hundred thirty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 332903 665806 998709 1997418 2996127 5992254 8988381 17976762 26965143 53930286