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25369340 = 2251268467
BaseRepresentation
bin110000011000…
…1101011111100
31202201220012012
41200301223330
522443304330
62303430352
7425431043
oct140615374
952656165
1025369340
11133583a7
1285b53b8
135343359
14352555a
152361c95
hex1831afc

25369340 has 12 divisors (see below), whose sum is σ = 53275656. Its totient is φ = 10147728.

The previous prime is 25369339. The next prime is 25369363. The reversal of 25369340 is 4396352.

It is a junction number, because it is equal to n+sod(n) for n = 25369297 and 25369306.

It is a congruent number.

It is an unprimeable number.

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, 634214 + ... + 634253.

It is an arithmetic number, because the mean of its divisors is an integer number (4439638).

Almost surely, 225369340 is an apocalyptic number.

25369340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25369340 is an abundant number, since it is smaller than the sum of its proper divisors (27906316).

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

25369340 is a wasteful number, since it uses less digits than its factorization.

25369340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268476 (or 1268474 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 25369340 is about 5036.7985864039. The cubic root of 25369340 is about 293.8346826925.

The spelling of 25369340 in words is "twenty-five million, three hundred sixty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1268467 2536934 5073868 6342335 12684670 25369340