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1268925 = 35272417
BaseRepresentation
bin100110101110010111101
32101110122020
410311302331
5311101200
643110353
713533330
oct4656275
92343566
101268925
117973a9
125123b9
13355758
14250617
151a0ea0
hex135cbd

1268925 has 24 divisors (see below), whose sum is σ = 2398656. Its totient is φ = 579840.

The previous prime is 1268921. The next prime is 1268929. The reversal of 1268925 is 5298621.

It is an interprime number because it is at equal distance from previous prime (1268921) and next prime (1268929).

It is not a de Polignac number, because 1268925 - 22 = 1268921 is a prime.

It is a super-2 number, since 2×12689252 = 3220341311250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268921) 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 23 ways as a sum of consecutive naturals, for example, 684 + ... + 1733.

It is an arithmetic number, because the mean of its divisors is an integer number (99944).

21268925 is an apocalyptic number.

1268925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1268925 is a deficient number, since it is larger than the sum of its proper divisors (1129731).

1268925 is a wasteful number, since it uses less digits than its factorization.

1268925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2432 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 1268925 is about 1126.4657118617. The cubic root of 1268925 is about 108.2626494862.

The spelling of 1268925 in words is "one million, two hundred sixty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 2417 7251 12085 16919 36255 50757 60425 84595 181275 253785 422975 1268925