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14256740 = 225712837
BaseRepresentation
bin110110011000…
…101001100100
3222211022120102
4312120221210
512122203430
61225323232
7232115561
oct66305144
928738512
1014256740
118058333
124936518
132c52254
141c71868
1513b9345
hexd98a64

14256740 has 12 divisors (see below), whose sum is σ = 29939196. Its totient is φ = 5702688.

The previous prime is 14256733. The next prime is 14256743. The reversal of 14256740 is 4765241.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 10086976 = 2042^2 + 3176^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14256743) 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, 356399 + ... + 356438.

It is an arithmetic number, because the mean of its divisors is an integer number (2494933).

Almost surely, 214256740 is an apocalyptic number.

14256740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14256740 is an abundant number, since it is smaller than the sum of its proper divisors (15682456).

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

14256740 is a wasteful number, since it uses less digits than its factorization.

14256740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712846 (or 712844 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 14256740 is about 3775.8098469070. The cubic root of 14256740 is about 242.4785966159.

The spelling of 14256740 in words is "fourteen million, two hundred fifty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 712837 1425674 2851348 3564185 7128370 14256740