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42552630 = 23254311097
BaseRepresentation
bin1010001001010…
…0110100110110
32222001220020100
42202110310312
541343141010
64120014530
71024456101
oct242246466
988056210
1042552630
112202446a
1212301446
138a7b693
145919738
153b082c0
hex2894d36

42552630 has 48 divisors (see below), whose sum is σ = 110994624. Its totient is φ = 11310720.

The previous prime is 42552583. The next prime is 42552659. The reversal of 42552630 is 3625524.

42552630 is a `hidden beast` number, since 4 + 25 + 5 + 2 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42552594 and 42552603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38242 + ... + 39338.

It is an arithmetic number, because the mean of its divisors is an integer number (2312388).

Almost surely, 242552630 is an apocalyptic number.

42552630 is an abundant number, since it is smaller than the sum of its proper divisors (68441994).

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

42552630 is a wasteful number, since it uses less digits than its factorization.

42552630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42552630 is about 6523.2376930478. The cubic root of 42552630 is about 349.1205949912.

The spelling of 42552630 in words is "forty-two million, five hundred fifty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 431 862 1097 1293 2155 2194 2586 3291 3879 4310 5485 6465 6582 7758 9873 10970 12930 16455 19395 19746 32910 38790 49365 98730 472807 945614 1418421 2364035 2836842 4255263 4728070 7092105 8510526 14184210 21276315 42552630