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52225415 = 511286323
BaseRepresentation
bin1100011100111…
…0010110000111
310122021022210122
43013032112013
5101332203130
65103212155
71202623454
oct307162607
9118238718
1052225415
1127530800
12155a705b
13aa87318
146d1682b
1548b92e5
hex31ce587

52225415 has 12 divisors (see below), whose sum is σ = 68886552. Its totient is φ = 37981680.

The previous prime is 52225403. The next prime is 52225427. The reversal of 52225415 is 51452225.

It is an interprime number because it is at equal distance from previous prime (52225403) and next prime (52225427).

It is not a de Polignac number, because 52225415 - 26 = 52225351 is a prime.

It is a super-3 number, since 3×522254153 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42557 + ... + 43766.

It is an arithmetic number, because the mean of its divisors is an integer number (5740546).

Almost surely, 252225415 is an apocalyptic number.

52225415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52225415 is a deficient number, since it is larger than the sum of its proper divisors (16661137).

52225415 is a wasteful number, since it uses less digits than its factorization.

52225415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86350 (or 86339 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 52225415 is about 7226.7153673021. The cubic root of 52225415 is about 373.7896741290.

The spelling of 52225415 in words is "fifty-two million, two hundred twenty-five thousand, four hundred fifteen".

Divisors: 1 5 11 55 121 605 86323 431615 949553 4747765 10445083 52225415