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13340304 = 243292641
BaseRepresentation
bin110010111000…
…111010010000
3221002202110100
4302320322100
511403342204
61153532400
7221251005
oct62707220
927082410
1013340304
11759184a
124574100
1329c1093
141ab38ac
151287a39
hexcb8e90

13340304 has 30 divisors (see below), whose sum is σ = 37334726. Its totient is φ = 4446720.

The previous prime is 13340281. The next prime is 13340309. The reversal of 13340304 is 40304331.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 32400 = 3648^2 + 180^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13340309) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 46177 + ... + 46464.

Almost surely, 213340304 is an apocalyptic number.

It is an amenable number.

13340304 is an abundant number, since it is smaller than the sum of its proper divisors (23994422).

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

13340304 is a wasteful number, since it uses less digits than its factorization.

13340304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92655 (or 92646 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13340304 is about 3652.4380898244. The cubic root of 13340304 is about 237.1675362962.

Adding to 13340304 its reverse (40304331), we get a palindrome (53644635).

The spelling of 13340304 in words is "thirteen million, three hundred forty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 92641 185282 277923 370564 555846 741128 833769 1111692 1482256 1667538 2223384 3335076 4446768 6670152 13340304