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52245319 = 721066231
BaseRepresentation
bin1100011101001…
…1001101000111
310122022100002211
43013103031013
5101333322234
65103444251
71203035500
oct307231507
9118270084
1052245319
1127544755
12155b6687
13aa933b9
146d1dba7
1548c0164
hex31d3347

52245319 has 6 divisors (see below), whose sum is σ = 60775224. Its totient is φ = 44781660.

The previous prime is 52245313. The next prime is 52245343. The reversal of 52245319 is 91354225.

It is not a de Polignac number, because 52245319 - 23 = 52245311 is a prime.

It is a super-2 number, since 2×522453192 = 5459146714823522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52245311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533067 + ... + 533164.

It is an arithmetic number, because the mean of its divisors is an integer number (10129204).

Almost surely, 252245319 is an apocalyptic number.

52245319 is a deficient number, since it is larger than the sum of its proper divisors (8529905).

52245319 is a wasteful number, since it uses less digits than its factorization.

52245319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066245 (or 1066238 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 52245319 is about 7228.0923486076. The cubic root of 52245319 is about 373.8371539797.

The spelling of 52245319 in words is "fifty-two million, two hundred forty-five thousand, three hundred nineteen".

Divisors: 1 7 49 1066231 7463617 52245319