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12852440 = 235321311
BaseRepresentation
bin110001000001…
…110011011000
3220011222020022
4301001303120
511242234230
61135250012
7214146446
oct61016330
926158208
1012852440
117289257
124379908
13287ccc3
1419c7b96
1511dd1e5
hexc41cd8

12852440 has 16 divisors (see below), whose sum is σ = 28918080. Its totient is φ = 5140960.

The previous prime is 12852421. The next prime is 12852473. The reversal of 12852440 is 4425821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160616 + ... + 160695.

It is an arithmetic number, because the mean of its divisors is an integer number (1807380).

Almost surely, 212852440 is an apocalyptic number.

12852440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12852440 is an abundant number, since it is smaller than the sum of its proper divisors (16065640).

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

12852440 is a wasteful number, since it uses less digits than its factorization.

12852440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321322 (or 321318 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 12852440 is about 3585.0299859276. The cubic root of 12852440 is about 234.2404327377.

The spelling of 12852440 in words is "twelve million, eight hundred fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 321311 642622 1285244 1606555 2570488 3213110 6426220 12852440