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14255540 = 2251354829
BaseRepresentation
bin110110011000…
…010110110100
3222211020220222
4312120112310
512122134130
61225313512
7232112225
oct66302664
928736828
1014255540
118057442
124935898
132c51840
141c7124c
1513b8ce5
hexd985b4

14255540 has 24 divisors (see below), whose sum is σ = 32240040. Its totient is φ = 5263488.

The previous prime is 14255539. The next prime is 14255543. The reversal of 14255540 is 4555241.

14255540 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 4 ways, for example, as 27556 + 14227984 = 166^2 + 3772^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14255543) 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, 27155 + ... + 27674.

It is an arithmetic number, because the mean of its divisors is an integer number (1343335).

Almost surely, 214255540 is an apocalyptic number.

14255540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14255540 is an abundant number, since it is smaller than the sum of its proper divisors (17984500).

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

14255540 is a wasteful number, since it uses less digits than its factorization.

14255540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54851 (or 54849 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 14255540 is about 3775.6509372557. The cubic root of 14255540 is about 242.4717932261.

The spelling of 14255540 in words is "fourteen million, two hundred fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 54829 109658 219316 274145 548290 712777 1096580 1425554 2851108 3563885 7127770 14255540