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25204090 = 2523109583
BaseRepresentation
bin110000000100…
…1010101111010
31202102111111211
41200021111322
522423012330
62300113334
7424142212
oct140112572
952374454
1025204090
111325522a
12853584a
1352b6082
1434c1242
15232cd2a
hex180957a

25204090 has 16 divisors (see below), whose sum is σ = 47340288. Its totient is φ = 9643216.

The previous prime is 25204073. The next prime is 25204093. The reversal of 25204090 is 9040252.

It is a happy number.

It is a super-3 number, since 3×252040903 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25204093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54562 + ... + 55021.

It is an arithmetic number, because the mean of its divisors is an integer number (2958768).

Almost surely, 225204090 is an apocalyptic number.

25204090 is a deficient number, since it is larger than the sum of its proper divisors (22136198).

25204090 is a wasteful number, since it uses less digits than its factorization.

25204090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109613.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 25204090 is about 5020.3675164275. The cubic root of 25204090 is about 293.1953020805.

The spelling of 25204090 in words is "twenty-five million, two hundred four thousand, ninety".

Divisors: 1 2 5 10 23 46 115 230 109583 219166 547915 1095830 2520409 5040818 12602045 25204090