Search a number
-
+
25065043 = 36076949
BaseRepresentation
bin101111110011…
…1011001010011
31202011102202221
41133213121103
522404040133
62253121511
7423022633
oct137473123
952142687
1025065043
111316a813
128489297
1352679b3
1434866c3
152301a2d
hex17e7653

25065043 has 4 divisors (see below), whose sum is σ = 25075600. Its totient is φ = 25054488.

The previous prime is 25065017. The next prime is 25065097. The reversal of 25065043 is 34056052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25065043 - 25 = 25065011 is a prime.

It is the 5007-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25064999 and 25065017.

It is not an unprimeable number, because it can be changed into a prime (25065013) by changing a digit.

It is a nontrivial repunit in base 5006.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133 + ... + 7081.

It is an arithmetic number, because the mean of its divisors is an integer number (6268900).

Almost surely, 225065043 is an apocalyptic number.

25065043 is a deficient number, since it is larger than the sum of its proper divisors (10557).

25065043 is an equidigital number, since it uses as much as digits as its factorization.

25065043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25065043 is about 5006.5000749026. The cubic root of 25065043 is about 292.6551367360.

The spelling of 25065043 in words is "twenty-five million, sixty-five thousand, forty-three".

Divisors: 1 3607 6949 25065043