Search a number
-
+
252662413 = 298712497
BaseRepresentation
bin11110000111101…
…01001010001101
3122121102120200011
433003311022031
51004140144123
641023233221
76155411053
oct1703651215
9577376604
10252662413
1111a692013
1270748811
13404654b3
14257b01d3
15172ace0d
hexf0f528d

252662413 has 4 divisors (see below), whose sum is σ = 261374940. Its totient is φ = 243949888.

The previous prime is 252662407. The next prime is 252662467. The reversal of 252662413 is 314266252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213949129 + 38713284 = 14627^2 + 6222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252662413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252663413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4356220 + ... + 4356277.

It is an arithmetic number, because the mean of its divisors is an integer number (65343735).

Almost surely, 2252662413 is an apocalyptic number.

It is an amenable number.

252662413 is a deficient number, since it is larger than the sum of its proper divisors (8712527).

252662413 is an equidigital number, since it uses as much as digits as its factorization.

252662413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712526.

The product of its digits is 17280, while the sum is 31.

The square root of 252662413 is about 15895.3582218206. The cubic root of 252662413 is about 632.1889198143.

The spelling of 252662413 in words is "two hundred fifty-two million, six hundred sixty-two thousand, four hundred thirteen".

Divisors: 1 29 8712497 252662413