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12225852 = 22322291483
BaseRepresentation
bin101110101000…
…110100111100
3212000010201100
4232220310330
511112211402
61114013100
7205626612
oct56506474
925003640
1012225852
1169a0511
124117190
1326c0a42
1418a36b2
15111771c
hexba8d3c

12225852 has 36 divisors (see below), whose sum is σ = 31060120. Its totient is φ = 4054752.

The previous prime is 12225847. The next prime is 12225853. The reversal of 12225852 is 25852221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7503 + ... + 8985.

Almost surely, 212225852 is an apocalyptic number.

12225852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12225852 is an abundant number, since it is smaller than the sum of its proper divisors (18834268).

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

12225852 is a wasteful number, since it uses less digits than its factorization.

12225852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1717 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 12225852 is about 3496.5485839610. The cubic root of 12225852 is about 230.3702417440.

The spelling of 12225852 in words is "twelve million, two hundred twenty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 229 458 687 916 1374 1483 2061 2748 2966 4122 4449 5932 8244 8898 13347 17796 26694 53388 339607 679214 1018821 1358428 2037642 3056463 4075284 6112926 12225852