Search a number
-
+
135471372 = 22317776353
BaseRepresentation
bin10000001001100…
…10000100001100
3100102220122210020
420010302010030
5234140040442
621235342140
73233326161
oct1004620414
9312818706
10135471372
116a519713
1239451950
13220b2c9a
1413dc6068
15bd5e9ec
hex813210c

135471372 has 24 divisors (see below), whose sum is σ = 316327536. Its totient is φ = 45124608.

The previous prime is 135471353. The next prime is 135471377. The reversal of 135471372 is 273174531.

It is not an unprimeable number, because it can be changed into a prime (135471377) 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, 18148 + ... + 24500.

It is an arithmetic number, because the mean of its divisors is an integer number (13180314).

Almost surely, 2135471372 is an apocalyptic number.

135471372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135471372 is an abundant number, since it is smaller than the sum of its proper divisors (180856164).

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

135471372 is a wasteful number, since it uses less digits than its factorization.

135471372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8137 (or 8135 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 135471372 is about 11639.2169839728. The cubic root of 135471372 is about 513.5891532390.

The spelling of 135471372 in words is "one hundred thirty-five million, four hundred seventy-one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 1777 3554 5331 6353 7108 10662 12706 19059 21324 25412 38118 76236 11289281 22578562 33867843 45157124 67735686 135471372