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1252392 = 23352183
BaseRepresentation
bin100110001110000101000
32100121221220
410301300220
5310034032
642502040
713434201
oct4616050
92317856
101252392
11785a39
12504920
1334b07b
142485a8
1519b12c
hex131c28

1252392 has 16 divisors (see below), whose sum is σ = 3131040. Its totient is φ = 417456.

The previous prime is 1252357. The next prime is 1252399. The reversal of 1252392 is 2932521.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 52183 = 1252392 / (1 + 2 + 5 + 2 + 3 + 9 + 2).

It is a d-powerful number, because it can be written as 1 + 210 + 57 + 216 + 310 + 92 + 220 .

It is not an unprimeable number, because it can be changed into a prime (1252399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26068 + ... + 26115.

It is an arithmetic number, because the mean of its divisors is an integer number (195690).

21252392 is an apocalyptic number.

1252392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1252392 is an abundant number, since it is smaller than the sum of its proper divisors (1878648).

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

1252392 is a wasteful number, since it uses less digits than its factorization.

1252392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52192 (or 52188 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 1252392 is about 1119.1032123982. The cubic root of 1252392 is about 107.7904028227.

The spelling of 1252392 in words is "one million, two hundred fifty-two thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 52183 104366 156549 208732 313098 417464 626196 1252392