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25269369 = 366112743
BaseRepresentation
bin110000001100…
…1010001111001
31202112211001120
41200121101321
522432104434
62301335453
7424533426
oct140312171
952484046
1025269369
111329a284
128567589
1353099b8
1434dad4d
152342349
hex1819479

25269369 has 8 divisors (see below), whose sum is σ = 33746112. Its totient is φ = 16819440.

The previous prime is 25269347. The next prime is 25269379. The reversal of 25269369 is 96396252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25269369 - 27 = 25269241 is a prime.

It is a super-2 number, since 2×252693692 = 1277082019316322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25269369.

It is not an unprimeable number, because it can be changed into a prime (25269319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389 + ... + 8354.

It is an arithmetic number, because the mean of its divisors is an integer number (4218264).

Almost surely, 225269369 is an apocalyptic number.

It is an amenable number.

25269369 is a deficient number, since it is larger than the sum of its proper divisors (8476743).

25269369 is a wasteful number, since it uses less digits than its factorization.

25269369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407.

The product of its digits is 174960, while the sum is 42.

The square root of 25269369 is about 5026.8647286355. The cubic root of 25269369 is about 293.4482107155.

The spelling of 25269369 in words is "twenty-five million, two hundred sixty-nine thousand, three hundred sixty-nine".

Divisors: 1 3 661 1983 12743 38229 8423123 25269369