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25214995 = 51317191201
BaseRepresentation
bin110000000110…
…0000000010011
31202110001110201
41200030000103
522423334440
62300240031
7424216051
oct140140023
952401421
1025214995
1113262443
128540017
1352bb020
1434c51d1
15233119a
hex180c013

25214995 has 32 divisors (see below), whose sum is σ = 36348480. Its totient is φ = 16588800.

The previous prime is 25214993. The next prime is 25214999. The reversal of 25214995 is 59941252.

It is not a de Polignac number, because 25214995 - 21 = 25214993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25214993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20395 + ... + 21595.

It is an arithmetic number, because the mean of its divisors is an integer number (1135890).

Almost surely, 225214995 is an apocalyptic number.

25214995 is a deficient number, since it is larger than the sum of its proper divisors (11133485).

25214995 is a wasteful number, since it uses less digits than its factorization.

25214995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its digits is 32400, while the sum is 37.

The square root of 25214995 is about 5021.4534748417. The cubic root of 25214995 is about 293.2375813794.

The spelling of 25214995 in words is "twenty-five million, two hundred fourteen thousand, nine hundred ninety-five".

Divisors: 1 5 13 17 19 65 85 95 221 247 323 1105 1201 1235 1615 4199 6005 15613 20417 20995 22819 78065 102085 114095 265421 296647 387923 1327105 1483235 1939615 5042999 25214995