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25804085 = 543257467
BaseRepresentation
bin110001001101…
…1110100110101
31210112222112212
41202123310311
523101212320
62321023205
7432221366
oct142336465
953488485
1025804085
1113624a9a
128784b05
1354661b8
1435d9b6d
1523ea9c5
hex189bd35

25804085 has 16 divisors (see below), whose sum is σ = 31876416. Its totient is φ = 20041728.

The previous prime is 25804073. The next prime is 25804123. The reversal of 25804085 is 58040852.

It is a cyclic number.

It is not a de Polignac number, because 25804085 - 24 = 25804069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55022 + ... + 55488.

It is an arithmetic number, because the mean of its divisors is an integer number (1992276).

Almost surely, 225804085 is an apocalyptic number.

It is an amenable number.

25804085 is a deficient number, since it is larger than the sum of its proper divisors (6072331).

25804085 is a wasteful number, since it uses less digits than its factorization.

25804085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25804085 is about 5079.7721405591. The cubic root of 25804085 is about 295.5036307474.

The spelling of 25804085 in words is "twenty-five million, eight hundred four thousand, eighty-five".

Divisors: 1 5 43 215 257 467 1285 2335 11051 20081 55255 100405 120019 600095 5160817 25804085