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252410441 = 17232292819
BaseRepresentation
bin11110000101101…
…11101001001001
3122120221210000212
433002313221021
51004104113231
641014010505
76153311333
oct1702675111
9576853025
10252410441
1111a52a778
1270646a35
13403a78ba
1425746453
151725d42b
hexf0b7a49

252410441 has 16 divisors (see below), whose sum is σ = 280195200. Its totient is φ = 226161408.

The previous prime is 252410429. The next prime is 252410443. The reversal of 252410441 is 144014252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252410441 is a prime.

It is a super-2 number, since 2×2524104412 = 127422061451628962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (252410443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88130 + ... + 90948.

It is an arithmetic number, because the mean of its divisors is an integer number (17512200).

Almost surely, 2252410441 is an apocalyptic number.

It is an amenable number.

252410441 is a deficient number, since it is larger than the sum of its proper divisors (27784759).

252410441 is a wasteful number, since it uses less digits than its factorization.

252410441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 252410441 is about 15887.4302830886. The cubic root of 252410441 is about 631.9786961053.

Adding to 252410441 its reverse (144014252), we get a palindrome (396424693).

The spelling of 252410441 in words is "two hundred fifty-two million, four hundred ten thousand, four hundred forty-one".

Divisors: 1 17 23 229 391 2819 3893 5267 47923 64837 89539 645551 1102229 10974367 14847673 252410441