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12102894 = 232838101
BaseRepresentation
bin101110001010…
…110011101110
3211202220001100
4232022303232
511044243034
61111223530
7204605256
oct56126356
924686040
1012102894
1169170a1
124077ba6
132679a9b
141870966
1510e1099
hexb8acee

12102894 has 24 divisors (see below), whose sum is σ = 26542152. Its totient is φ = 3985200.

The previous prime is 12102887. The next prime is 12102917. The reversal of 12102894 is 49820121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2557 + ... + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (1105923).

Almost surely, 212102894 is an apocalyptic number.

12102894 is an abundant number, since it is smaller than the sum of its proper divisors (14439258).

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

12102894 is a wasteful number, since it uses less digits than its factorization.

12102894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8192 (or 8189 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12102894 is about 3478.9213845673. The cubic root of 12102894 is about 229.5953439266.

It can be divided in two parts, 12102 and 894, that added together give a square (12996 = 1142).

The spelling of 12102894 in words is "twelve million, one hundred two thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 83 166 249 498 747 1494 8101 16202 24303 48606 72909 145818 672383 1344766 2017149 4034298 6051447 12102894