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12252195 = 335471931
BaseRepresentation
bin101110101111…
…010000100011
3212001110212000
4232233100203
511114032240
61114335043
7206066454
oct56572043
925043760
1012252195
116a0928a
12412a483
1326cca27
1418ad12b
151120430
hexbaf423

12252195 has 32 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 6392160.

The previous prime is 12252179. The next prime is 12252197. The reversal of 12252195 is 59125221.

It is not a de Polignac number, because 12252195 - 24 = 12252179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12252197) 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 31 ways as a sum of consecutive naturals, for example, 5380 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 212252195 is an apocalyptic number.

12252195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12252195 is a deficient number, since it is larger than the sum of its proper divisors (10004445).

12252195 is a wasteful number, since it uses less digits than its factorization.

12252195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1986 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 12252195 is about 3500.3135573831. The cubic root of 12252195 is about 230.5355823625.

The spelling of 12252195 in words is "twelve million, two hundred fifty-two thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 47 135 141 235 423 705 1269 1931 2115 5793 6345 9655 17379 28965 52137 86895 90757 260685 272271 453785 816813 1361355 2450439 4084065 12252195