Search a number
-
+
252447335 = 57103239293
BaseRepresentation
bin11110000110000…
…00101001100111
3122121000122122022
433003000221213
51004111303320
641014453355
76153524030
oct1703005147
9577018568
10252447335
1111a555468
127066425b
13403bb62a
1425755a87
1517269325
hexf0c0a67

252447335 has 32 divisors (see below), whose sum is σ = 352235520. Its totient is φ = 170126208.

The previous prime is 252447329. The next prime is 252447361. The reversal of 252447335 is 533744252.

It is not a de Polignac number, because 252447335 - 26 = 252447271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 252447295 and 252447304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 861449 + ... + 861741.

It is an arithmetic number, because the mean of its divisors is an integer number (11007360).

Almost surely, 2252447335 is an apocalyptic number.

252447335 is a deficient number, since it is larger than the sum of its proper divisors (99788185).

252447335 is a wasteful number, since it uses less digits than its factorization.

252447335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 100800, while the sum is 35.

The square root of 252447335 is about 15888.5913472529. The cubic root of 252447335 is about 632.0094860177.

The spelling of 252447335 in words is "two hundred fifty-two million, four hundred forty-seven thousand, three hundred thirty-five".

Divisors: 1 5 7 35 103 239 293 515 721 1195 1465 1673 2051 3605 8365 10255 24617 30179 70027 123085 150895 172319 211253 350135 490189 861595 1056265 2450945 7212781 36063905 50489467 252447335