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39041988 = 2233253499
BaseRepresentation
bin1001010011101…
…1101111000100
32201110112112120
42110323233010
534443320423
63512445540
7652565016
oct224735704
981415476
1039041988
1120046907
12110a98b0
13811c78b
1452841b6
153662ee3
hex253bbc4

39041988 has 12 divisors (see below), whose sum is σ = 91098000. Its totient is φ = 13013992.

The previous prime is 39041987. The next prime is 39041999. The reversal of 39041988 is 88914093.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39041983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626738 + ... + 1626761.

It is an arithmetic number, because the mean of its divisors is an integer number (7591500).

Almost surely, 239041988 is an apocalyptic number.

It is an amenable number.

39041988 is an abundant number, since it is smaller than the sum of its proper divisors (52056012).

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

39041988 is a wasteful number, since it uses less digits than its factorization.

39041988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253506 (or 3253504 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 39041988 is about 6248.3588245234. The cubic root of 39041988 is about 339.2428016662.

The spelling of 39041988 in words is "thirty-nine million, forty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 3253499 6506998 9760497 13013996 19520994 39041988