Search a number
-
+
252647412 = 22341513511
BaseRepresentation
bin11110000111100…
…01011111110100
3122121101211002120
433003301133310
51004134204122
641023035540
76155316243
oct1703613764
9577354076
10252647412
1111a681816
127073bbb0
134045b714
14257a895a
15172a875c
hexf0f17f4

252647412 has 24 divisors (see below), whose sum is σ = 603890112. Its totient is φ = 82161600.

The previous prime is 252647407. The next prime is 252647413. The reversal of 252647412 is 214746252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252647413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256264 + ... + 257247.

It is an arithmetic number, because the mean of its divisors is an integer number (25162088).

Almost surely, 2252647412 is an apocalyptic number.

It is an amenable number.

252647412 is an abundant number, since it is smaller than the sum of its proper divisors (351242700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252647412 is a wasteful number, since it uses less digits than its factorization.

252647412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513559 (or 513557 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 252647412 is about 15894.8863475018. The cubic root of 252647412 is about 632.1764081872.

The spelling of 252647412 in words is "two hundred fifty-two million, six hundred forty-seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 513511 1027022 1540533 2054044 3081066 6162132 21053951 42107902 63161853 84215804 126323706 252647412