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442432374 = 231076831009
BaseRepresentation
bin11010010111101…
…111101101110110
31010211111220010020
4122113233231312
51401230313444
6111522510010
713651420206
oct3227575566
91124456106
10442432374
11207817a9a
12104205306
137087a307
1442a8c406
1528c96119
hex1a5efb76

442432374 has 32 divisors (see below), whose sum is σ = 895328640. Its totient is φ = 145740672.

The previous prime is 442432369. The next prime is 442432391. The reversal of 442432374 is 473234244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437982 + ... + 438990.

It is an arithmetic number, because the mean of its divisors is an integer number (27979020).

Almost surely, 2442432374 is an apocalyptic number.

442432374 is an abundant number, since it is smaller than the sum of its proper divisors (452896266).

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

442432374 is a wasteful number, since it uses less digits than its factorization.

442432374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804.

The product of its digits is 64512, while the sum is 33.

The square root of 442432374 is about 21034.0764950592. The cubic root of 442432374 is about 761.9894632777.

The spelling of 442432374 in words is "four hundred forty-two million, four hundred thirty-two thousand, three hundred seventy-four".

Divisors: 1 2 3 6 107 214 321 642 683 1009 1366 2018 2049 3027 4098 6054 73081 107963 146162 215926 219243 323889 438486 647778 689147 1378294 2067441 4134882 73738729 147477458 221216187 442432374