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52253853 = 3292139149
BaseRepresentation
bin1100011101010…
…1010010011101
310122022202210220
43013111102131
5101334110403
65103551553
71203102411
oct307252235
9118282726
1052253853
1127550103
12155bb5b9
13aa97252
146d22d41
1548c2953
hex31d549d

52253853 has 24 divisors (see below), whose sum is σ = 73164000. Its totient is φ = 33168576.

The previous prime is 52253833. The next prime is 52253893. The reversal of 52253853 is 35835225.

It is not a de Polignac number, because 52253853 - 210 = 52252829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52253833) 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, 350623 + ... + 350771.

It is an arithmetic number, because the mean of its divisors is an integer number (3048500).

Almost surely, 252253853 is an apocalyptic number.

It is an amenable number.

52253853 is a deficient number, since it is larger than the sum of its proper divisors (20910147).

52253853 is a wasteful number, since it uses less digits than its factorization.

52253853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 320 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 52253853 is about 7228.6826600702. The cubic root of 52253853 is about 373.8575076538.

The spelling of 52253853 in words is "fifty-two million, two hundred fifty-three thousand, eight hundred fifty-three".

Divisors: 1 3 29 87 139 149 417 447 841 2523 4031 4321 12093 12963 20711 62133 116899 125309 350697 375927 600619 1801857 17417951 52253853