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25380538 = 267189407
BaseRepresentation
bin110000011010…
…0011010111010
31202202110112221
41200310122322
522444134123
62303554254
7425505511
oct140643272
952673487
1025380538
1113365857
1285bb98a
135348491
143529678
15236525d
hex18346ba

25380538 has 8 divisors (see below), whose sum is σ = 38639232. Its totient is φ = 12500796.

The previous prime is 25380529. The next prime is 25380571. The reversal of 25380538 is 83508352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94570 + ... + 94837.

It is an arithmetic number, because the mean of its divisors is an integer number (4829904).

Almost surely, 225380538 is an apocalyptic number.

25380538 is a deficient number, since it is larger than the sum of its proper divisors (13258694).

25380538 is a wasteful number, since it uses less digits than its factorization.

25380538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189476.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 25380538 is about 5037.9100825640. The cubic root of 25380538 is about 293.8779091064.

The spelling of 25380538 in words is "twenty-five million, three hundred eighty thousand, five hundred thirty-eight".

Divisors: 1 2 67 134 189407 378814 12690269 25380538