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18352132 = 2212373709
BaseRepresentation
bin100011000000…
…0100000000100
31021112101101121
41012000200010
514144232012
61453203324
7311663521
oct106004004
937471347
1018352132
11a3a5257
126190544
133a57366
14261a148
151927a07
hex1180804

18352132 has 12 divisors (see below), whose sum is σ = 32150860. Its totient is φ = 9166176.

The previous prime is 18352079. The next prime is 18352189. The reversal of 18352132 is 23125381.

It can be written as a sum of positive squares in 2 ways, for example, as 9388096 + 8964036 = 3064^2 + 2994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18352097 and 18352106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3094 + ... + 6802.

Almost surely, 218352132 is an apocalyptic number.

It is an amenable number.

18352132 is a deficient number, since it is larger than the sum of its proper divisors (13798728).

18352132 is a wasteful number, since it uses less digits than its factorization.

18352132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950 (or 4948 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 18352132 is about 4283.9388417670. The cubic root of 18352132 is about 263.7720905705.

The spelling of 18352132 in words is "eighteen million, three hundred fifty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 1237 2474 3709 4948 7418 14836 4588033 9176066 18352132