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14978725 = 52599149
BaseRepresentation
bin111001001000…
…111010100101
31001011222221121
4321020322211
512313304400
61253013541
7241213516
oct71107245
931158847
1014978725
118500813
1250242b1
133145a68
141dbca0d
1514ad21a
hexe48ea5

14978725 has 6 divisors (see below), whose sum is σ = 18573650. Its totient is φ = 11982960.

The previous prime is 14978713. The next prime is 14978729. The reversal of 14978725 is 52787941.

14978725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3323329 + 11655396 = 1823^2 + 3414^2 .

It is not a de Polignac number, because 14978725 - 27 = 14978597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978729) 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, 299550 + ... + 299599.

Almost surely, 214978725 is an apocalyptic number.

It is an amenable number.

14978725 is a deficient number, since it is larger than the sum of its proper divisors (3594925).

14978725 is an equidigital number, since it uses as much as digits as its factorization.

14978725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599159 (or 599154 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 14978725 is about 3870.2357809312. The cubic root of 14978725 is about 246.5045552387.

The spelling of 14978725 in words is "fourteen million, nine hundred seventy-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 599149 2995745 14978725