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25038000 = 24325313107
BaseRepresentation
bin101111110000…
…0110010110000
31202010001200100
41133200302300
522402204000
62252352400
7422551041
oct137406260
952101610
1025038000
1113151469
128475700
1352585b0
14347a8c8
1522e8a00
hex17e0cb0

25038000 has 240 divisors, whose sum is σ = 95056416. Its totient is φ = 6105600.

The previous prime is 25037989. The next prime is 25038017. The reversal of 25038000 is 83052.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233947 + ... + 234053.

Almost surely, 225038000 is an apocalyptic number.

25038000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

25038000 is the 2675-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25038000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47528208).

25038000 is an abundant number, since it is smaller than the sum of its proper divisors (70018416).

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

25038000 is a wasteful number, since it uses less digits than its factorization.

25038000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25038000 is about 5003.7985570964. The cubic root of 25038000 is about 292.5498490539.

The spelling of 25038000 in words is "twenty-five million, thirty-eight thousand".