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BaseRepresentation
bin101111110101…
…1110010010110
31202012100110010
41133223302112
522410124110
62253341050
7423126240
oct137536226
952170403
1025083030
1113182285
128497786
135272c3b
14348d090
152307020
hex17ebc96

25083030 has 64 divisors (see below), whose sum is σ = 71036928. Its totient is φ = 5546880.

The previous prime is 25083001. The next prime is 25083031. The reversal of 25083030 is 3038052.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 25082988 and 25083006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25083031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4584 + ... + 8436.

It is an arithmetic number, because the mean of its divisors is an integer number (1109952).

Almost surely, 225083030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25083030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35518464).

25083030 is an abundant number, since it is smaller than the sum of its proper divisors (45953898).

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

25083030 is a wasteful number, since it uses less digits than its factorization.

25083030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25083030 is about 5008.2961174435. The cubic root of 25083030 is about 292.7251243715.

The spelling of 25083030 in words is "twenty-five million, eighty-three thousand, thirty".