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25028966 = 2193121247
BaseRepresentation
bin101111101111…
…0100101100110
31202002121021202
41133132211212
522401411331
62252242502
7422512514
oct137364546
952077252
1025028966
11131456a6
128470432
135254451
1434774b4
1522e5ecb
hex17de966

25028966 has 16 divisors (see below), whose sum is σ = 40796160. Its totient is φ = 11472840.

The previous prime is 25028963. The next prime is 25028977. The reversal of 25028966 is 66982052.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25028963) 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, 9446 + ... + 11801.

It is an arithmetic number, because the mean of its divisors is an integer number (2549760).

Almost surely, 225028966 is an apocalyptic number.

25028966 is a deficient number, since it is larger than the sum of its proper divisors (15767194).

25028966 is a wasteful number, since it uses less digits than its factorization.

25028966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 25028966 is about 5002.8957614566. The cubic root of 25028966 is about 292.5146596982.

The spelling of 25028966 in words is "twenty-five million, twenty-eight thousand, nine hundred sixty-six".

Divisors: 1 2 19 31 38 62 589 1178 21247 42494 403693 658657 807386 1317314 12514483 25028966