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13994648 = 232297639
BaseRepresentation
bin110101011000…
…101010011000
3222100000001022
4311120222120
512040312043
61215542012
7226644503
oct65305230
928300038
1013994648
117999428
12482a908
132b8cb75
141c0413a
151366868
hexd58a98

13994648 has 16 divisors (see below), whose sum is σ = 26358000. Its totient is φ = 6965856.

The previous prime is 13994641. The next prime is 13994699. The reversal of 13994648 is 84649931.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13994599 and 13994608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13994641) 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 3 ways as a sum of consecutive naturals, for example, 1988 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (1647375).

Almost surely, 213994648 is an apocalyptic number.

It is an amenable number.

13994648 is a deficient number, since it is larger than the sum of its proper divisors (12363352).

13994648 is a wasteful number, since it uses less digits than its factorization.

13994648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7874 (or 7870 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 13994648 is about 3740.9421273257. The cubic root of 13994648 is about 240.9835104045.

The spelling of 13994648 in words is "thirteen million, nine hundred ninety-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 229 458 916 1832 7639 15278 30556 61112 1749331 3498662 6997324 13994648