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244611631 = 1122237421
BaseRepresentation
bin11101001010001…
…11101000101111
3122001021120002001
432211013220233
51000110033011
640134513131
76030110305
oct1645075057
9561246061
10244611631
11116093380
1269b057a7
133b8a6c14
14246b6275
151671c7c1
hexe947a2f

244611631 has 4 divisors (see below), whose sum is σ = 266849064. Its totient is φ = 222374200.

The previous prime is 244611611. The next prime is 244611637. The reversal of 244611631 is 136116442.

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

It is a cyclic number.

It is not a de Polignac number, because 244611631 - 215 = 244578863 is a prime.

It is a super-2 number, since 2×2446116312 = 119669700040960322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244611631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244611637) 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, 11118700 + ... + 11118721.

It is an arithmetic number, because the mean of its divisors is an integer number (66712266).

Almost surely, 2244611631 is an apocalyptic number.

244611631 is a deficient number, since it is larger than the sum of its proper divisors (22237433).

244611631 is a wasteful number, since it uses less digits than its factorization.

244611631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22237432.

The product of its digits is 3456, while the sum is 28.

The square root of 244611631 is about 15640.0649295327. The cubic root of 244611631 is about 625.4016669266.

The spelling of 244611631 in words is "two hundred forty-four million, six hundred eleven thousand, six hundred thirty-one".

Divisors: 1 11 22237421 244611631