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18848052 = 223519391
BaseRepresentation
bin100011111100…
…1100100110100
31022110120200000
41013321210310
514311114202
61511551300
7316130406
oct107714464
938416600
1018848052
11a703903
12638b530
133b9bcc2
142708b76
1519c491c
hex11f9934

18848052 has 36 divisors (see below), whose sum is σ = 49410816. Its totient is φ = 6282360.

The previous prime is 18848047. The next prime is 18848077. The reversal of 18848052 is 25084881.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 18847998 and 18848016.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8724 + ... + 10667.

Almost surely, 218848052 is an apocalyptic number.

18848052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18848052 is an abundant number, since it is smaller than the sum of its proper divisors (30562764).

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

18848052 is a wasteful number, since it uses less digits than its factorization.

18848052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19410 (or 19396 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 18848052 is about 4341.4343251971. The cubic root of 18848052 is about 266.1269298304.

The spelling of 18848052 in words is "eighteen million, eight hundred forty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 19391 38782 58173 77564 116346 174519 232692 349038 523557 698076 1047114 1570671 2094228 3141342 4712013 6282684 9424026 18848052