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23198002 = 283139747
BaseRepresentation
bin101100001111…
…1100100110010
31121122120200021
41120133210302
521414314002
62145114054
7401115442
oct130374462
947576607
1023198002
1112105003
12792892a
134a62c39
14311c122
152083737
hex161f932

23198002 has 8 divisors (see below), whose sum is σ = 35216496. Its totient is φ = 11459172.

The previous prime is 23197987. The next prime is 23198009. The reversal of 23198002 is 20089132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23198009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69708 + ... + 70039.

It is an arithmetic number, because the mean of its divisors is an integer number (4402062).

Almost surely, 223198002 is an apocalyptic number.

23198002 is a deficient number, since it is larger than the sum of its proper divisors (12018494).

23198002 is a wasteful number, since it uses less digits than its factorization.

23198002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139832.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 23198002 is about 4816.4304209653. The cubic root of 23198002 is about 285.2004417388.

It can be divided in two parts, 23 and 198002, that added together give a square (198025 = 4452).

The spelling of 23198002 in words is "twenty-three million, one hundred ninety-eight thousand, two".

Divisors: 1 2 83 166 139747 279494 11599001 23198002