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52567213 = 1723134443
BaseRepresentation
bin1100100010000…
…1110010101101
310122220200122211
43020201302231
5101424122323
65114410421
71205546116
oct310416255
9118820584
1052567213
1127744586
1215730a11
13ab76a7a
146da520d
15493570d
hex3221cad

52567213 has 8 divisors (see below), whose sum is σ = 58079808. Its totient is φ = 47323584.

The previous prime is 52567201. The next prime is 52567219. The reversal of 52567213 is 31276525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52567213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52567219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66831 + ... + 67612.

It is an arithmetic number, because the mean of its divisors is an integer number (7259976).

Almost surely, 252567213 is an apocalyptic number.

It is an amenable number.

52567213 is a deficient number, since it is larger than the sum of its proper divisors (5512595).

52567213 is a wasteful number, since it uses less digits than its factorization.

52567213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134483.

The product of its digits is 12600, while the sum is 31.

The square root of 52567213 is about 7250.3250271971. The cubic root of 52567213 is about 374.6033447350.

The spelling of 52567213 in words is "fifty-two million, five hundred sixty-seven thousand, two hundred thirteen".

Divisors: 1 17 23 391 134443 2285531 3092189 52567213