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12315150 = 2325227367
BaseRepresentation
bin101110111110…
…101000001110
3212011200012200
4232332220032
511123041100
61115542330
7206451141
oct56765016
925150180
1012315150
116a51611
12415a9a6
132722593
1418c8058
151133e00
hexbbea0e

12315150 has 36 divisors (see below), whose sum is σ = 33087912. Its totient is φ = 3283920.

The previous prime is 12315131. The next prime is 12315161. The reversal of 12315150 is 5151321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13234 + ... + 14133.

Almost surely, 212315150 is an apocalyptic number.

12315150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12315150 is an abundant number, since it is smaller than the sum of its proper divisors (20772762).

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

12315150 is a wasteful number, since it uses less digits than its factorization.

12315150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27385 (or 27377 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 12315150 is about 3509.2948009536. The cubic root of 12315150 is about 230.9297588202.

Adding to 12315150 its reverse (5151321), we get a palindrome (17466471).

It can be divided in two parts, 123151 and 50, that added together give a square (123201 = 3512).

The spelling of 12315150 in words is "twelve million, three hundred fifteen thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 27367 54734 82101 136835 164202 246303 273670 410505 492606 684175 821010 1231515 1368350 2052525 2463030 4105050 6157575 12315150