Search a number
-
+
12528552 = 233737151
BaseRepresentation
bin101111110010…
…101110101000
3212120111221110
4233302232220
511201403202
61124310320
7211330251
oct57625650
925514843
1012528552
117087983
1242423a0
13279875a
141941b28
15117726c
hexbf2ba8

12528552 has 32 divisors (see below), whose sum is σ = 31754880. Its totient is φ = 4118400.

The previous prime is 12528517. The next prime is 12528553. The reversal of 12528552 is 25582521.

It is not an unprimeable number, because it can be changed into a prime (12528553) 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, 1824 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (992340).

Almost surely, 212528552 is an apocalyptic number.

12528552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12528552 is an abundant number, since it is smaller than the sum of its proper divisors (19226328).

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

12528552 is a wasteful number, since it uses less digits than its factorization.

12528552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233 (or 7229 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 12528552 is about 3539.5694653446. The cubic root of 12528552 is about 232.2560095049.

The spelling of 12528552 in words is "twelve million, five hundred twenty-eight thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 73 146 219 292 438 584 876 1752 7151 14302 21453 28604 42906 57208 85812 171624 522023 1044046 1566069 2088092 3132138 4176184 6264276 12528552