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25578053 = 211241503
BaseRepresentation
bin110000110010…
…0101001000101
31210010111111022
41201210221011
523021444203
62312120525
7430260404
oct141445105
953114438
1025578053
1113490196
128696145
1353b7357
14357b63b
1523a3a38
hex1864a45

25578053 has 8 divisors (see below), whose sum is σ = 25857216. Its totient is φ = 25300800.

The previous prime is 25578043. The next prime is 25578071. The reversal of 25578053 is 35087552.

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

It is a cyclic number.

It is not a de Polignac number, because 25578053 - 210 = 25577029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25578043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50600 + ... + 51102.

It is an arithmetic number, because the mean of its divisors is an integer number (3232152).

Almost surely, 225578053 is an apocalyptic number.

It is an amenable number.

25578053 is a deficient number, since it is larger than the sum of its proper divisors (279163).

25578053 is a wasteful number, since it uses less digits than its factorization.

25578053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 25578053 is about 5057.4749628644. The cubic root of 25578053 is about 294.6382734791.

The spelling of 25578053 in words is "twenty-five million, five hundred seventy-eight thousand, fifty-three".

Divisors: 1 211 241 503 50851 106133 121223 25578053