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25041890 = 252504189
BaseRepresentation
bin101111110000…
…1101111100010
31202010021000102
41133201233202
522402320030
62252422402
7422565266
oct137415742
952107012
1025041890
1113154385
128477a02
13525a2b3
14347c0a6
1522e9c45
hex17e1be2

25041890 has 8 divisors (see below), whose sum is σ = 45075420. Its totient is φ = 10016752.

The previous prime is 25041889. The next prime is 25041899. The reversal of 25041890 is 9814052.

It can be written as a sum of positive squares in 2 ways, for example, as 25030009 + 11881 = 5003^2 + 109^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25041899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252085 + ... + 1252104.

Almost surely, 225041890 is an apocalyptic number.

25041890 is a deficient number, since it is larger than the sum of its proper divisors (20033530).

25041890 is a wasteful number, since it uses less digits than its factorization.

25041890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504196.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 25041890 is about 5004.1872466965. The cubic root of 25041890 is about 292.5649988260.

The spelling of 25041890 in words is "twenty-five million, forty-one thousand, eight hundred ninety".

Divisors: 1 2 5 10 2504189 5008378 12520945 25041890