Search a number
-
+
14155540 = 2257101111
BaseRepresentation
bin110101111111…
…111100010100
3222122011202021
4311333330110
512110434130
61223222524
7231214540
oct65777424
928564667
1014155540
117a992a3
1248a7a44
132c18179
141c46a20
15139937a
hexd7ff14

14155540 has 24 divisors (see below), whose sum is σ = 33973632. Its totient is φ = 4853280.

The previous prime is 14155529. The next prime is 14155553. The reversal of 14155540 is 4555141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50416 + ... + 50695.

It is an arithmetic number, because the mean of its divisors is an integer number (1415568).

Almost surely, 214155540 is an apocalyptic number.

14155540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14155540 is an abundant number, since it is smaller than the sum of its proper divisors (19818092).

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

14155540 is a wasteful number, since it uses less digits than its factorization.

14155540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101127 (or 101125 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 14155540 is about 3762.3848819598. The cubic root of 14155540 is about 241.9034972555.

The spelling of 14155540 in words is "fourteen million, one hundred fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 101111 202222 404444 505555 707777 1011110 1415554 2022220 2831108 3538885 7077770 14155540