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52813918 = 271371929
BaseRepresentation
bin1100100101111…
…0000001011110
310200101020002001
43021132001132
5102010021133
65123552514
71210624303
oct311360136
9120336061
1052813918
11278a2973
121582b73a
13ac32151
14702b0aa
15498387d
hex325e05e

52813918 has 8 divisors (see below), whose sum is σ = 80336880. Its totient is φ = 26034960.

The previous prime is 52813903. The next prime is 52813919. The reversal of 52813918 is 81931825.

52813918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52813919) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 185823 + ... + 186106.

It is an arithmetic number, because the mean of its divisors is an integer number (10042110).

Almost surely, 252813918 is an apocalyptic number.

52813918 is a deficient number, since it is larger than the sum of its proper divisors (27522962).

52813918 is a wasteful number, since it uses less digits than its factorization.

52813918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372002.

The product of its digits is 17280, while the sum is 37.

The square root of 52813918 is about 7267.3184875854. The cubic root of 52813918 is about 375.1884516504.

The spelling of 52813918 in words is "fifty-two million, eight hundred thirteen thousand, nine hundred eighteen".

Divisors: 1 2 71 142 371929 743858 26406959 52813918