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442111254 = 231321126863
BaseRepresentation
bin11010010110100…
…001010100010110
31010210220120121220
4122112201110112
51401140030004
6111511551210
713645612044
oct3226412426
91123816556
10442111254
11207618802
1210408b506
13707970c0
1442a07394
1528c30dd9
hex1a5a1516

442111254 has 32 divisors (see below), whose sum is σ = 956788224. Its totient is φ = 135384480.

The previous prime is 442111253. The next prime is 442111277. The reversal of 442111254 is 452111244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442111253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3027 + ... + 29889.

It is an arithmetic number, because the mean of its divisors is an integer number (29899632).

Almost surely, 2442111254 is an apocalyptic number.

442111254 is an abundant number, since it is smaller than the sum of its proper divisors (514676970).

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

442111254 is a wasteful number, since it uses less digits than its factorization.

442111254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27092.

The product of its digits is 1280, while the sum is 24.

The square root of 442111254 is about 21026.4417817186. The cubic root of 442111254 is about 761.8050665247.

Adding to 442111254 its reverse (452111244), we get a palindrome (894222498).

The spelling of 442111254 in words is "four hundred forty-two million, one hundred eleven thousand, two hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 211 422 633 1266 2743 5486 8229 16458 26863 53726 80589 161178 349219 698438 1047657 2095314 5668093 11336186 17004279 34008558 73685209 147370418 221055627 442111254