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25252115 = 575313613
BaseRepresentation
bin110000001010…
…1000100010011
31202111221101112
41200111010103
522431031430
62301123535
7424432220
oct140250423
952457345
1025252115
1113288319
1285595ab
135301ba5
1434d4947
15233c195
hex1815113

25252115 has 16 divisors (see below), whose sum is σ = 35287488. Its totient is φ = 16987776.

The previous prime is 25252111. The next prime is 25252133. The reversal of 25252115 is 51125252.

It is a cyclic number.

It is not a de Polignac number, because 25252115 - 22 = 25252111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252111) 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, 4952 + ... + 8661.

It is an arithmetic number, because the mean of its divisors is an integer number (2205468).

Almost surely, 225252115 is an apocalyptic number.

25252115 is a deficient number, since it is larger than the sum of its proper divisors (10035373).

25252115 is a wasteful number, since it uses less digits than its factorization.

25252115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13678.

The product of its digits is 1000, while the sum is 23.

The square root of 25252115 is about 5025.1482565194. The cubic root of 25252115 is about 293.3814064060.

Adding to 25252115 its reverse (51125252), we get a palindrome (76377367).

The spelling of 25252115 in words is "twenty-five million, two hundred fifty-two thousand, one hundred fifteen".

Divisors: 1 5 7 35 53 265 371 1855 13613 68065 95291 476455 721489 3607445 5050423 25252115