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18298964 = 224574741
BaseRepresentation
bin100010111001…
…1100001010100
31021102200110102
41011303201110
514141031324
61452113232
7311352515
oct105634124
937380412
1018298964
11a369312
126165818
133a390b8
142604a0c
151916dae
hex1173854

18298964 has 6 divisors (see below), whose sum is σ = 32023194. Its totient is φ = 9149480.

The previous prime is 18298937. The next prime is 18298981. The reversal of 18298964 is 46989281.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 6451600 = 3442^2 + 2540^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2287367 + ... + 2287374.

It is an arithmetic number, because the mean of its divisors is an integer number (5337199).

Almost surely, 218298964 is an apocalyptic number.

It is an amenable number.

18298964 is a deficient number, since it is larger than the sum of its proper divisors (13724230).

18298964 is a wasteful number, since it uses less digits than its factorization.

18298964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574745 (or 4574743 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 18298964 is about 4277.7288366609. The cubic root of 18298964 is about 263.5171192941.

The spelling of 18298964 in words is "eighteen million, two hundred ninety-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 4574741 9149482 18298964