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14925140 = 2252925733
BaseRepresentation
bin111000111011…
…110101010100
31001002021102222
4320323311110
512310101030
61251521512
7240601346
oct70736524
931067388
1014925140
11847452a
124bb9298
133127559
141da7296
15149c3e5
hexe3bd54

14925140 has 24 divisors (see below), whose sum is σ = 32424840. Its totient is φ = 5763968.

The previous prime is 14925103. The next prime is 14925149. The reversal of 14925140 is 4152941.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 14853316 = 268^2 + 3854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14925149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12287 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (1351035).

Almost surely, 214925140 is an apocalyptic number.

14925140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14925140 is an abundant number, since it is smaller than the sum of its proper divisors (17499700).

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

14925140 is a wasteful number, since it uses less digits than its factorization.

14925140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25771 (or 25769 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 14925140 is about 3863.3068736511. The cubic root of 14925140 is about 246.2102549509.

The spelling of 14925140 in words is "fourteen million, nine hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 25733 51466 102932 128665 257330 514660 746257 1492514 2985028 3731285 7462570 14925140