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25000060 = 2251250003
BaseRepresentation
bin101111101011…
…1100001111100
31202001010122011
41133113201330
522400000220
62251501004
7422332321
oct137274174
952033564
1025000060
1113125a08
128457764
135244247
14346ab48
1522dc65a
hex17d787c

25000060 has 12 divisors (see below), whose sum is σ = 52500168. Its totient is φ = 10000016.

The previous prime is 25000033. The next prime is 25000069. The reversal of 25000060 is 6000052.

It is a self number, because there is not a number n which added to its sum of digits gives 25000060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624982 + ... + 625021.

It is an arithmetic number, because the mean of its divisors is an integer number (4375014).

Almost surely, 225000060 is an apocalyptic number.

25000060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25000060 is an abundant number, since it is smaller than the sum of its proper divisors (27500108).

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

25000060 is a wasteful number, since it uses less digits than its factorization.

25000060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250012 (or 1250010 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 25000060 is about 5000.0059999964. The cubic root of 25000060 is about 292.4020077425.

Subtracting from 25000060 its product of nonzero digits (60), we obtain a square (25000000 = 50002).

The spelling of 25000060 in words is "twenty-five million, sixty", and thus it is an aban number and an uban number.

Divisors: 1 2 4 5 10 20 1250003 2500006 5000012 6250015 12500030 25000060