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25414939 = 112310449
BaseRepresentation
bin110000011110…
…0110100011011
31202211012202001
41200330310123
523001234224
62304421431
7426011014
oct140746433
952735661
1025414939
1113389690
128617877
13535b034
14353800b
152370544
hex183cd1b

25414939 has 4 divisors (see below), whose sum is σ = 27725400. Its totient is φ = 23104480.

The previous prime is 25414937. The next prime is 25414969. The reversal of 25414939 is 93941452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25414939 - 21 = 25414937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25414898 and 25414907.

It is not an unprimeable number, because it can be changed into a prime (25414937) 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 3 ways as a sum of consecutive naturals, for example, 1155214 + ... + 1155235.

It is an arithmetic number, because the mean of its divisors is an integer number (6931350).

Almost surely, 225414939 is an apocalyptic number.

25414939 is a deficient number, since it is larger than the sum of its proper divisors (2310461).

25414939 is a wasteful number, since it uses less digits than its factorization.

25414939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310460.

The product of its digits is 38880, while the sum is 37.

The square root of 25414939 is about 5041.3231398116. The cubic root of 25414939 is about 294.0106240473.

The spelling of 25414939 in words is "twenty-five million, four hundred fourteen thousand, nine hundred thirty-nine".

Divisors: 1 11 2310449 25414939