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442572 = 223132837
BaseRepresentation
bin1101100000011001100
3211111002120
41230003030
5103130242
613252540
73522204
oct1540314
9744076
10442572
11282569
12194150
131265a0
14b7404
158b1ec
hex6c0cc

442572 has 24 divisors (see below), whose sum is σ = 1112496. Its totient is φ = 136128.

The previous prime is 442571. The next prime is 442573. The reversal of 442572 is 275244.

It is an interprime number because it is at equal distance from previous prime (442571) and next prime (442573).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (442571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (46354).

2442572 is an apocalyptic number.

It is an amenable number.

442572 is an abundant number, since it is smaller than the sum of its proper divisors (669924).

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

442572 is a wasteful number, since it uses less digits than its factorization.

442572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857 (or 2855 counting only the distinct ones).

The product of its digits is 2240, while the sum is 24.

The square root of 442572 is about 665.2608510953. The cubic root of 442572 is about 76.2069612891.

The spelling of 442572 in words is "four hundred forty-two thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2837 5674 8511 11348 17022 34044 36881 73762 110643 147524 221286 442572