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25572485 = 526919013
BaseRepresentation
bin110000110001…
…1010010000101
31210010012212002
41201203102011
523021304420
62312035045
7430235231
oct141432205
953105762
1025572485
1113486a94
128692a85
1353b4963
1435795c1
1523a2075
hex1863485

25572485 has 8 divisors (see below), whose sum is σ = 30802680. Its totient is φ = 20380864.

The previous prime is 25572467. The next prime is 25572497. The reversal of 25572485 is 58427552.

It can be written as a sum of positive squares in 4 ways, for example, as 2666689 + 22905796 = 1633^2 + 4786^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25572485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8162 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (3850335).

Almost surely, 225572485 is an apocalyptic number.

It is an amenable number.

25572485 is a deficient number, since it is larger than the sum of its proper divisors (5230195).

25572485 is a wasteful number, since it uses less digits than its factorization.

25572485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19287.

The product of its digits is 112000, while the sum is 38.

The square root of 25572485 is about 5056.9244605788. The cubic root of 25572485 is about 294.6168923239.

The spelling of 25572485 in words is "twenty-five million, five hundred seventy-two thousand, four hundred eighty-five".

Divisors: 1 5 269 1345 19013 95065 5114497 25572485