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442260304 = 241711314389
BaseRepresentation
bin11010010111000…
…101101101010000
31010211012011002021
4122113011231100
51401204312204
6111515101224
713650102433
oct3227055520
91124164067
10442260304
1120770a792
12104141814
1370819bb5
1442a4581a
1528c60154
hex1a5c5b50

442260304 has 40 divisors (see below), whose sum is σ = 915376680. Its totient is φ = 206266368.

The previous prime is 442260293. The next prime is 442260311. The reversal of 442260304 is 403062244.

It can be written as a sum of positive squares in 4 ways, for example, as 4613904 + 437646400 = 2148^2 + 20920^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23542 + ... + 37930.

It is an arithmetic number, because the mean of its divisors is an integer number (22884417).

Almost surely, 2442260304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442260304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457688340).

442260304 is an abundant number, since it is smaller than the sum of its proper divisors (473116376).

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

442260304 is a wasteful number, since it uses less digits than its factorization.

442260304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14527 (or 14521 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 442260304 is about 21029.9858297622. The cubic root of 442260304 is about 761.8906666132.

The spelling of 442260304 in words is "four hundred forty-two million, two hundred sixty thousand, three hundred four".

Divisors: 1 2 4 8 16 17 34 68 113 136 226 272 452 904 1808 1921 3842 7684 14389 15368 28778 30736 57556 115112 230224 244613 489226 978452 1625957 1956904 3251914 3913808 6503828 13007656 26015312 27641269 55282538 110565076 221130152 442260304