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14638149 = 321626461
BaseRepresentation
bin110111110101…
…110001000101
31000112200202200
4313311301011
512221410044
61241425113
7235264551
oct67656105
930480680
1014638149
118298949
124a9b199
133056a36
141d30861
151442369
hexdf5c45

14638149 has 6 divisors (see below), whose sum is σ = 21144006. Its totient is φ = 9758760.

The previous prime is 14638081. The next prime is 14638153. The reversal of 14638149 is 94183641.

14638149 is a `hidden beast` number, since 1 + 4 + 638 + 14 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11009124 + 3629025 = 3318^2 + 1905^2 .

It is not a de Polignac number, because 14638149 - 211 = 14636101 is a prime.

It is a super-2 number, since 2×146381492 = 428550812292402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14638159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 813222 + ... + 813239.

It is an arithmetic number, because the mean of its divisors is an integer number (3524001).

Almost surely, 214638149 is an apocalyptic number.

It is an amenable number.

14638149 is a deficient number, since it is larger than the sum of its proper divisors (6505857).

14638149 is a wasteful number, since it uses less digits than its factorization.

14638149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626467 (or 1626464 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 14638149 is about 3825.9834029959. The cubic root of 14638149 is about 244.6219297251.

The spelling of 14638149 in words is "fourteen million, six hundred thirty-eight thousand, one hundred forty-nine".

Divisors: 1 3 9 1626461 4879383 14638149