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52270807 = 76168687
BaseRepresentation
bin1100011101100…
…1011011010111
310122100122001211
43013121123113
5101340131212
65104202251
71203203011
oct307313327
9118318054
1052270807
1127561916
1215609387
13aaa1b94
146d291b1
1548c79a7
hex31d96d7

52270807 has 4 divisors (see below), whose sum is σ = 52340256. Its totient is φ = 52201360.

The previous prime is 52270783. The next prime is 52270817. The reversal of 52270807 is 70807225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52270807 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 (52270817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33583 + ... + 35104.

It is an arithmetic number, because the mean of its divisors is an integer number (13085064).

Almost surely, 252270807 is an apocalyptic number.

52270807 is a deficient number, since it is larger than the sum of its proper divisors (69449).

52270807 is an equidigital number, since it uses as much as digits as its factorization.

52270807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69448.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 52270807 is about 7229.8552544294. The cubic root of 52270807 is about 373.8979365372.

The spelling of 52270807 in words is "fifty-two million, two hundred seventy thousand, eight hundred seven".

Divisors: 1 761 68687 52270807