[go: up one dir, main page]

Search a number
-
+
25668097 = 7131272221
BaseRepresentation
bin110000111101…
…0101000000001
31210022002000021
41201322220001
523032334342
62314053441
7431114050
oct141725001
953262007
1025668097
1113541904
12871a281
135419330
1435a2397
1523c0567
hex187aa01

25668097 has 16 divisors (see below), whose sum is σ = 31854592. Its totient is φ = 20139840.

The previous prime is 25668053. The next prime is 25668131. The reversal of 25668097 is 79086652.

It is not a de Polignac number, because 25668097 - 215 = 25635329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25668017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10447 + ... + 12667.

It is an arithmetic number, because the mean of its divisors is an integer number (1990912).

Almost surely, 225668097 is an apocalyptic number.

It is an amenable number.

25668097 is a deficient number, since it is larger than the sum of its proper divisors (6186495).

25668097 is a wasteful number, since it uses less digits than its factorization.

25668097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 25668097 is about 5066.3692127598. The cubic root of 25668097 is about 294.9836129938.

The spelling of 25668097 in words is "twenty-five million, six hundred sixty-eight thousand, ninety-seven".

Divisors: 1 7 13 91 127 889 1651 2221 11557 15547 28873 202111 282067 1974469 3666871 25668097