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25803082 = 212901541
BaseRepresentation
bin110001001101…
…1100101001010
31210112221011201
41202123211022
523101144312
62321014414
7432215434
oct142334512
953487151
1025803082
1113624268
12878440a
1354658c6
1435d9654
1523ea557
hex189b94a

25803082 has 4 divisors (see below), whose sum is σ = 38704626. Its totient is φ = 12901540.

The previous prime is 25803077. The next prime is 25803131. The reversal of 25803082 is 28030852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17901361 + 7901721 = 4231^2 + 2811^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25803082.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450769 + ... + 6450772.

Almost surely, 225803082 is an apocalyptic number.

25803082 is a deficient number, since it is larger than the sum of its proper divisors (12901544).

25803082 is a wasteful number, since it uses less digits than its factorization.

25803082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901543.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 25803082 is about 5079.6734146990. The cubic root of 25803082 is about 295.4998019740.

The spelling of 25803082 in words is "twenty-five million, eight hundred three thousand, eighty-two".

Divisors: 1 2 12901541 25803082