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442674 = 23224593
BaseRepresentation
bin1101100000100110010
3211111020100
41230010302
5103131144
613253230
73522411
oct1540462
9744210
10442674
11282651
12194216
1312664b
14b7478
158b269
hex6c132

442674 has 12 divisors (see below), whose sum is σ = 959166. Its totient is φ = 147552.

The previous prime is 442633. The next prime is 442691. The reversal of 442674 is 476244.

It can be written as a sum of positive squares in only one way, i.e., 431649 + 11025 = 657^2 + 105^2 .

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

442674 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12279 + ... + 12314.

2442674 is an apocalyptic number.

442674 is an abundant number, since it is smaller than the sum of its proper divisors (516492).

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

442674 is a wasteful number, since it uses less digits than its factorization.

442674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24601 (or 24598 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 442674 is about 665.3375083369. The cubic root of 442674 is about 76.2128153369.

The spelling of 442674 in words is "four hundred forty-two thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 24593 49186 73779 147558 221337 442674