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25294068 = 2232702613
BaseRepresentation
bin110000001111…
…1010011110100
31202121001221100
41200133103310
522433402233
62302050100
7424665432
oct140372364
952531840
1025294068
1113306898
128579930
135318007
143505d52
152349813
hex181f4f4

25294068 has 18 divisors (see below), whose sum is σ = 63937874. Its totient is φ = 8431344.

The previous prime is 25294057. The next prime is 25294069. The reversal of 25294068 is 86049252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24088464 + 1205604 = 4908^2 + 1098^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 702613 = 25294068 / (2 + 5 + 2 + 9 + 4 + 0 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25294069) 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 5 ways as a sum of consecutive naturals, for example, 351271 + ... + 351342.

Almost surely, 225294068 is an apocalyptic number.

It is an amenable number.

25294068 is an abundant number, since it is smaller than the sum of its proper divisors (38643806).

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

25294068 is a wasteful number, since it uses less digits than its factorization.

25294068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702623 (or 702618 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 25294068 is about 5029.3208288993. The cubic root of 25294068 is about 293.5437877916.

The spelling of 25294068 in words is "twenty-five million, two hundred ninety-four thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 702613 1405226 2107839 2810452 4215678 6323517 8431356 12647034 25294068