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25971042 = 237975431
BaseRepresentation
bin110001100010…
…0100101100010
31210212110120110
41203010211202
523122033132
62324352150
7433515216
oct143044542
953773513
1025971042
1113729479
128845656
1354c41a6
143640946
1524301cc
hex18c4962

25971042 has 16 divisors (see below), whose sum is σ = 52016832. Its totient is φ = 8644560.

The previous prime is 25971041. The next prime is 25971061. The reversal of 25971042 is 24017952.

It is not an unprimeable number, because it can be changed into a prime (25971041) 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, 2067 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (3251052).

Almost surely, 225971042 is an apocalyptic number.

25971042 is an abundant number, since it is smaller than the sum of its proper divisors (26045790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25971042 is a wasteful number, since it uses less digits than its factorization.

25971042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 25971042 is about 5096.1791569763. The cubic root of 25971042 is about 296.1395814174.

Adding to 25971042 its reverse (24017952), we get a palindrome (49988994).

The spelling of 25971042 in words is "twenty-five million, nine hundred seventy-one thousand, forty-two".

Divisors: 1 2 3 6 797 1594 2391 4782 5431 10862 16293 32586 4328507 8657014 12985521 25971042