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18824968 = 232353121
BaseRepresentation
bin100011111001…
…1111100001000
31022102102000001
41013303330020
514304344333
61511252344
7316003201
oct107637410
938372001
1018824968
11a698528
12637a0b4
133b91646
1427005a8
1519bcb7d
hex11f3f08

18824968 has 8 divisors (see below), whose sum is σ = 35296830. Its totient is φ = 9412480.

The previous prime is 18824959. The next prime is 18824969. The reversal of 18824968 is 86942881.

It can be written as a sum of positive squares in only one way, i.e., 18818244 + 6724 = 4338^2 + 82^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18824969) 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 as a sum of consecutive naturals, namely, 1176553 + ... + 1176568.

Almost surely, 218824968 is an apocalyptic number.

It is an amenable number.

18824968 is a deficient number, since it is larger than the sum of its proper divisors (16471862).

18824968 is a wasteful number, since it uses less digits than its factorization.

18824968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353127 (or 2353123 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 18824968 is about 4338.7749423080. The cubic root of 18824968 is about 266.0182398407.

The spelling of 18824968 in words is "eighteen million, eight hundred twenty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 2353121 4706242 9412484 18824968