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12485111 = 157281283
BaseRepresentation
bin101111101000…
…000111110111
3212111022100112
4233220013313
511144010421
61123333235
7211056512
oct57500767
925438315
1012485111
117058281
12422121b
132781a52
14192dd79
15116945b
hexbe81f7

12485111 has 8 divisors (see below), whose sum is σ = 12653904. Its totient is φ = 12317760.

The previous prime is 12485063. The next prime is 12485141. The reversal of 12485111 is 11158421.

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 12485111 - 26 = 12485047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485141) 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, 43976 + ... + 44258.

It is an arithmetic number, because the mean of its divisors is an integer number (1581738).

Almost surely, 212485111 is an apocalyptic number.

12485111 is a deficient number, since it is larger than the sum of its proper divisors (168793).

12485111 is a wasteful number, since it uses less digits than its factorization.

12485111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 320, while the sum is 23.

The square root of 12485111 is about 3533.4276559737. The cubic root of 12485111 is about 231.9872602497.

The spelling of 12485111 in words is "twelve million, four hundred eighty-five thousand, one hundred eleven".

Divisors: 1 157 281 283 44117 44431 79523 12485111