Search a number
-
+
61064225 = 5215431583
BaseRepresentation
bin1110100011110…
…0010000100001
311020220101100222
43220330100201
5111113023400
610020452425
71341015545
oct350742041
9136811328
1061064225
1131518502
121854a115
13c8604a1
148177a25
155563185
hex3a3c421

61064225 has 12 divisors (see below), whose sum is σ = 75816576. Its totient is φ = 48788880.

The previous prime is 61064219. The next prime is 61064231. The reversal of 61064225 is 52246016.

It is an interprime number because it is at equal distance from previous prime (61064219) and next prime (61064231).

It is not a de Polignac number, because 61064225 - 214 = 61047841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61064194 and 61064203.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37784 + ... + 39366.

It is an arithmetic number, because the mean of its divisors is an integer number (6318048).

Almost surely, 261064225 is an apocalyptic number.

It is an amenable number.

61064225 is a deficient number, since it is larger than the sum of its proper divisors (14752351).

61064225 is a wasteful number, since it uses less digits than its factorization.

61064225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 61064225 is about 7814.3601785431. The cubic root of 61064225 is about 393.7878236950.

The spelling of 61064225 in words is "sixty-one million, sixty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 1543 1583 7715 7915 38575 39575 2442569 12212845 61064225