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12527228 = 227447401
BaseRepresentation
bin101111110010…
…011001111100
3212120110010102
4233302121330
511201332403
61124300232
7211323350
oct57623174
925513112
1012527228
11708698a
124241678
132797c7c
141941460
151176b88
hexbf267c

12527228 has 12 divisors (see below), whose sum is σ = 25054512. Its totient is φ = 5368800.

The previous prime is 12527219. The next prime is 12527237. The reversal of 12527228 is 82272521.

It is an interprime number because it is at equal distance from previous prime (12527219) and next prime (12527237).

12527228 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12527228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223673 + ... + 223728.

It is an arithmetic number, because the mean of its divisors is an integer number (2087876).

Almost surely, 212527228 is an apocalyptic number.

It is an amenable number.

12527228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12527228 is a wasteful number, since it uses less digits than its factorization.

12527228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447412 (or 447410 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 12527228 is about 3539.3824320070. The cubic root of 12527228 is about 232.2478277190.

Adding to 12527228 its reverse (82272521), we get a palindrome (94799749).

The spelling of 12527228 in words is "twelve million, five hundred twenty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 447401 894802 1789604 3131807 6263614 12527228