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52146535 = 572212843
BaseRepresentation
bin1100011011101…
…1000101100111
310122010022121011
43012323011213
5101322142120
65101403051
71202144500
oct306730547
9118108534
1052146535
1127487511
1215569487
13aa5a44c
146cd5ba7
1548a0c5a
hex31bb167

52146535 has 12 divisors (see below), whose sum is σ = 72792648. Its totient is φ = 35757456.

The previous prime is 52146529. The next prime is 52146539. The reversal of 52146535 is 53564125.

It is not a de Polignac number, because 52146535 - 25 = 52146503 is a prime.

It is a super-2 number, since 2×521465352 = 5438522225012450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52146497 and 52146506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52146539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106177 + ... + 106666.

It is an arithmetic number, because the mean of its divisors is an integer number (6066054).

Almost surely, 252146535 is an apocalyptic number.

52146535 is a deficient number, since it is larger than the sum of its proper divisors (20646113).

52146535 is a wasteful number, since it uses less digits than its factorization.

52146535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212862 (or 212855 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 52146535 is about 7221.2557772177. The cubic root of 52146535 is about 373.6013916858.

The spelling of 52146535 in words is "fifty-two million, one hundred forty-six thousand, five hundred thirty-five".

Divisors: 1 5 7 35 49 245 212843 1064215 1489901 7449505 10429307 52146535