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25144068 = 22319110281
BaseRepresentation
bin101111111101…
…0101100000100
31202022110011210
41133322230010
522414102233
62254531420
7423502215
oct137725404
952273153
1025144068
1113214124
128506b70
135294961
1434a740c
15231a163
hex17fab04

25144068 has 24 divisors (see below), whose sum is σ = 61757920. Its totient is φ = 7940160.

The previous prime is 25144061. The next prime is 25144079. The reversal of 25144068 is 86044152.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25144061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54913 + ... + 55368.

Almost surely, 225144068 is an apocalyptic number.

It is an amenable number.

25144068 is an abundant number, since it is smaller than the sum of its proper divisors (36613852).

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

25144068 is a wasteful number, since it uses less digits than its factorization.

25144068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110307 (or 110305 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 25144068 is about 5014.3861040012. The cubic root of 25144068 is about 292.9623748508.

The spelling of 25144068 in words is "twenty-five million, one hundred forty-four thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 110281 220562 330843 441124 661686 1323372 2095339 4190678 6286017 8381356 12572034 25144068