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1275132 = 223106261
BaseRepresentation
bin100110111010011111100
32101210011010
410313103330
5311301012
643155220
713560405
oct4672374
92353133
101275132
117a1031
12515b10
13358521
142529ac
151a2c3c
hex1374fc

1275132 has 12 divisors (see below), whose sum is σ = 2975336. Its totient is φ = 425040.

The previous prime is 1275121. The next prime is 1275133. The reversal of 1275132 is 2315721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1275099 and 1275108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53119 + ... + 53142.

21275132 is an apocalyptic number.

1275132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1275132 is an abundant number, since it is smaller than the sum of its proper divisors (1700204).

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

1275132 is a wasteful number, since it uses less digits than its factorization.

1275132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106268 (or 106266 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1275132 is about 1129.2174281333. The cubic root of 1275132 is about 108.4388862089.

The spelling of 1275132 in words is "one million, two hundred seventy-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 106261 212522 318783 425044 637566 1275132