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1230552642 = 231118644737
BaseRepresentation
bin100100101011000…
…1011111001000010
310011202111112212210
41021112023321002
510010010141032
6322035002550
742331345014
oct11126137102
93152445783
101230552642
11581684460
122a4139456
13167c30b77
14b96041b4
15730732cc
hex4958be42

1230552642 has 16 divisors (see below), whose sum is σ = 2684842272. Its totient is φ = 372894720.

The previous prime is 1230552611. The next prime is 1230552703. The reversal of 1230552642 is 2462550321.

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, 9322303 + ... + 9322434.

It is an arithmetic number, because the mean of its divisors is an integer number (167802642).

Almost surely, 21230552642 is an apocalyptic number.

1230552642 is an abundant number, since it is smaller than the sum of its proper divisors (1454289630).

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

1230552642 is a wasteful number, since it uses less digits than its factorization.

1230552642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18644753.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1230552642 is about 35079.2337715635. The cubic root of 1230552642 is about 1071.6017127226.

The spelling of 1230552642 in words is "one billion, two hundred thirty million, five hundred fifty-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 18644737 37289474 55934211 111868422 205092107 410184214 615276321 1230552642