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25872275 = 5211137237
BaseRepresentation
bin110001010110…
…0011110010011
31210200110002102
41202230132103
523110403100
62322311015
7432624242
oct142543623
953613072
1025872275
1113671250
1287b846b
13548b250
143616959
152410cd5
hex18ac793

25872275 has 24 divisors (see below), whose sum is σ = 37695504. Its totient is φ = 17366400.

The previous prime is 25872257. The next prime is 25872277. The reversal of 25872275 is 57227852.

It is not a de Polignac number, because 25872275 - 28 = 25872019 is a prime.

It is a super-2 number, since 2×258722752 = 1338749227351250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25872277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44 + ... + 7193.

It is an arithmetic number, because the mean of its divisors is an integer number (1570646).

Almost surely, 225872275 is an apocalyptic number.

25872275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25872275 is a deficient number, since it is larger than the sum of its proper divisors (11823229).

25872275 is a wasteful number, since it uses less digits than its factorization.

25872275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271 (or 7266 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 25872275 is about 5086.4796274044. The cubic root of 25872275 is about 295.7637015689.

The spelling of 25872275 in words is "twenty-five million, eight hundred seventy-two thousand, two hundred seventy-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 3575 7237 36185 79607 94081 180925 398035 470405 1034891 1990175 2352025 5174455 25872275