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19948008 = 233831167
BaseRepresentation
bin100110000011…
…0000111101000
31101112110112010
41030012013220
520101314013
61551315520
7331361313
oct114060750
941473463
1019948008
1110295263
12681bba0
134195872
14291397a
151b407c3
hex13061e8

19948008 has 16 divisors (see below), whose sum is σ = 49870080. Its totient is φ = 6649328.

The previous prime is 19947997. The next prime is 19948009. The reversal of 19948008 is 80084991.

It is not an unprimeable number, because it can be changed into a prime (19948009) 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, 415560 + ... + 415607.

It is an arithmetic number, because the mean of its divisors is an integer number (3116880).

Almost surely, 219948008 is an apocalyptic number.

It is an amenable number.

19948008 is an abundant number, since it is smaller than the sum of its proper divisors (29922072).

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

19948008 is a wasteful number, since it uses less digits than its factorization.

19948008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831176 (or 831172 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 19948008 is about 4466.3192899747. The cubic root of 19948008 is about 271.2063442099.

The spelling of 19948008 in words is "nineteen million, nine hundred forty-eight thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 831167 1662334 2493501 3324668 4987002 6649336 9974004 19948008