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18879052 = 224719763
BaseRepresentation
bin100100000000…
…1001001001100
31022112011012011
41020001021030
514313112202
61512351004
7316316653
oct110011114
938464164
1018879052
11a725125
1263a5464
133bb014a
14271619a
1519cdbd7
hex120124c

18879052 has 6 divisors (see below), whose sum is σ = 33038348. Its totient is φ = 9439524.

The previous prime is 18879037. The next prime is 18879053. The reversal of 18879052 is 25097881.

It is a junction number, because it is equal to n+sod(n) for n = 18878996 and 18879014.

It is not an unprimeable number, because it can be changed into a prime (18879053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2359878 + ... + 2359885.

Almost surely, 218879052 is an apocalyptic number.

It is an amenable number.

18879052 is a deficient number, since it is larger than the sum of its proper divisors (14159296).

18879052 is a wasteful number, since it uses less digits than its factorization.

18879052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719767 (or 4719765 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 18879052 is about 4345.0031070185. The cubic root of 18879052 is about 266.2727524327.

The spelling of 18879052 in words is "eighteen million, eight hundred seventy-nine thousand, fifty-two".

Divisors: 1 2 4 4719763 9439526 18879052