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12630552 = 2331147843
BaseRepresentation
bin110000001011…
…101000011000
3212202200212020
4300023220120
511213134202
61130414440
7212233524
oct60135030
925680766
1012630552
117147580
124291420
132802ccc
14196ad84
1511975bc
hexc0ba18

12630552 has 32 divisors (see below), whose sum is σ = 34447680. Its totient is φ = 3827360.

The previous prime is 12630551. The next prime is 12630559. The reversal of 12630552 is 25503621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630551) 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, 23658 + ... + 24185.

It is an arithmetic number, because the mean of its divisors is an integer number (1076490).

Almost surely, 212630552 is an apocalyptic number.

12630552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12630552 is an abundant number, since it is smaller than the sum of its proper divisors (21817128).

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

12630552 is a wasteful number, since it uses less digits than its factorization.

12630552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47863 (or 47859 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 12630552 is about 3553.9487897267. The cubic root of 12630552 is about 232.8846033474.

The spelling of 12630552 in words is "twelve million, six hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 47843 95686 143529 191372 287058 382744 526273 574116 1052546 1148232 1578819 2105092 3157638 4210184 6315276 12630552