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23195984 = 247712917
BaseRepresentation
bin101100001111…
…1000101010000
31121122110220112
41120133011100
521414232414
62145100452
7401106530
oct130370520
947573815
1023195984
1112103539
127927728
134a62046
14311b4c0
152082d3e
hex161f150

23195984 has 40 divisors (see below), whose sum is σ = 52103808. Its totient is φ = 9797760.

The previous prime is 23195959. The next prime is 23195993. The reversal of 23195984 is 48959132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6494 + ... + 9410.

Almost surely, 223195984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23195984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26051904).

23195984 is an abundant number, since it is smaller than the sum of its proper divisors (28907824).

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

23195984 is a wasteful number, since it uses less digits than its factorization.

23195984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2997 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 23195984 is about 4816.2209251653. The cubic root of 23195984 is about 285.1921716131.

The spelling of 23195984 in words is "twenty-three million, one hundred ninety-five thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 56 71 112 142 284 497 568 994 1136 1988 2917 3976 5834 7952 11668 20419 23336 40838 46672 81676 163352 207107 326704 414214 828428 1449749 1656856 2899498 3313712 5798996 11597992 23195984