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8102412 = 2232225067
BaseRepresentation
bin11110111010001000001100
3120020122102100
4132322020030
54033234122
6445355100
7125604123
oct36721014
916218370
108102412
11463450a
122868a90
1318a8c36
14110caba
15aa0aac
hex7ba20c

8102412 has 18 divisors (see below), whose sum is σ = 20481188. Its totient is φ = 2700792.

The previous prime is 8102407. The next prime is 8102431. The reversal of 8102412 is 2142018.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112498 + ... + 112569.

Almost surely, 28102412 is an apocalyptic number.

It is an amenable number.

8102412 is an abundant number, since it is smaller than the sum of its proper divisors (12378776).

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

8102412 is a wasteful number, since it uses less digits than its factorization.

8102412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225077 (or 225072 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8102412 is about 2846.4736078172. The cubic root of 8102412 is about 200.8498172719.

The spelling of 8102412 in words is "eight million, one hundred two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 225067 450134 675201 900268 1350402 2025603 2700804 4051206 8102412