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18932068 = 224733017
BaseRepresentation
bin100100000111…
…0000101100100
31022121211220201
41020032011210
514321311233
61513440244
7316630351
oct110160544
938554821
1018932068
11a760a41
126410084
133bcb30c
14272b628
1519de77d
hex120e164

18932068 has 6 divisors (see below), whose sum is σ = 33131126. Its totient is φ = 9466032.

The previous prime is 18932063. The next prime is 18932071. The reversal of 18932068 is 86023981.

It can be written as a sum of positive squares in only one way, i.e., 18593344 + 338724 = 4312^2 + 582^2 .

It is not an unprimeable number, because it can be changed into a prime (18932063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2366505 + ... + 2366512.

Almost surely, 218932068 is an apocalyptic number.

It is an amenable number.

18932068 is a deficient number, since it is larger than the sum of its proper divisors (14199058).

18932068 is a wasteful number, since it uses less digits than its factorization.

18932068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733021 (or 4733019 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 18932068 is about 4351.0996311277. The cubic root of 18932068 is about 266.5217678082.

The spelling of 18932068 in words is "eighteen million, nine hundred thirty-two thousand, sixty-eight".

Divisors: 1 2 4 4733017 9466034 18932068