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12252055 = 519128969
BaseRepresentation
bin101110101111…
…001110010111
3212001110122211
4232233032113
511114031210
61114334251
7206066164
oct56571627
925043584
1012252055
116a09172
12412a387
1326cc94a
1418ad06b
15112038a
hexbaf397

12252055 has 8 divisors (see below), whose sum is σ = 15476400. Its totient is φ = 9285696.

The previous prime is 12252043. The next prime is 12252059. The reversal of 12252055 is 55025221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12252055 - 219 = 11727767 is a prime.

It is a super-2 number, since 2×122520552 = 300225703446050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252059) 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, 64390 + ... + 64579.

It is an arithmetic number, because the mean of its divisors is an integer number (1934550).

Almost surely, 212252055 is an apocalyptic number.

12252055 is a deficient number, since it is larger than the sum of its proper divisors (3224345).

12252055 is a wasteful number, since it uses less digits than its factorization.

12252055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128993.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 12252055 is about 3500.2935591176. The cubic root of 12252055 is about 230.5347042857.

Adding to 12252055 its reverse (55025221), we get a palindrome (67277276).

The spelling of 12252055 in words is "twelve million, two hundred fifty-two thousand, fifty-five".

Divisors: 1 5 19 95 128969 644845 2450411 12252055