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244040442 = 232310117509
BaseRepresentation
bin11101000101111…
…00001011111010
3122000012112112220
432202330023322
5444433243232
640114344510
76022211112
oct1642741372
9560175486
10244040442
11115833218
126988b136
133b736c39
14245a8042
151665842c
hexe8bc2fa

244040442 has 32 divisors (see below), whose sum is σ = 514373760. Its totient is φ = 77035200.

The previous prime is 244040417. The next prime is 244040449.

244040442 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (244040449) 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, 5184 + ... + 22692.

It is an arithmetic number, because the mean of its divisors is an integer number (16074180).

Almost surely, 2244040442 is an apocalyptic number.

244040442 is an abundant number, since it is smaller than the sum of its proper divisors (270333318).

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

244040442 is a wasteful number, since it uses less digits than its factorization.

244040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17638.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 244040442 is about 15621.7938150521. The cubic root of 244040442 is about 624.9144988105.

The spelling of 244040442 in words is "two hundred forty-four million, forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 69 101 138 202 303 606 2323 4646 6969 13938 17509 35018 52527 105054 402707 805414 1208121 1768409 2416242 3536818 5305227 10610454 40673407 81346814 122020221 244040442