Search a number
-
+
52886970 = 2325587633
BaseRepresentation
bin1100100110111…
…1110110111010
310200111221021200
43021233312322
5102014340340
65125315030
71211350263
oct311576672
9120457250
1052886970
1127942844
1215865a76
13ac59486
14704996a
15499a330
hex326fdba

52886970 has 24 divisors (see below), whose sum is σ = 137506356. Its totient is φ = 14103168.

The previous prime is 52886969. The next prime is 52886971. The reversal of 52886970 is 7968825.

It is an interprime number because it is at equal distance from previous prime (52886969) and next prime (52886971).

It can be written as a sum of positive squares in 2 ways, for example, as 46090521 + 6796449 = 6789^2 + 2607^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (52886971) 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 11 ways as a sum of consecutive naturals, for example, 293727 + ... + 293906.

Almost surely, 252886970 is an apocalyptic number.

52886970 is an abundant number, since it is smaller than the sum of its proper divisors (84619386).

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

52886970 is a wasteful number, since it uses less digits than its factorization.

52886970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587646 (or 587643 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 52886970 is about 7272.3428137018. The cubic root of 52886970 is about 375.3613583419.

The spelling of 52886970 in words is "fifty-two million, eight hundred eighty-six thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 587633 1175266 1762899 2938165 3525798 5288697 5876330 8814495 10577394 17628990 26443485 52886970