Search a number
-
+
51062225 = 522042489
BaseRepresentation
bin1100001011001…
…0010111010001
310120002020012112
43002302113101
5101032442400
65022235105
71160010314
oct302622721
9116066175
1051062225
1126906895
1215125a95
13a76aa46
146ad297b
154739835
hex30b25d1

51062225 has 6 divisors (see below), whose sum is σ = 63317190. Its totient is φ = 40849760.

The previous prime is 51062201. The next prime is 51062227. The reversal of 51062225 is 52226015.

It can be written as a sum of positive squares in 3 ways, for example, as 10523536 + 40538689 = 3244^2 + 6367^2 .

It is not a de Polignac number, because 51062225 - 216 = 50996689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51062225.

It is not an unprimeable number, because it can be changed into a prime (51062227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021220 + ... + 1021269.

It is an arithmetic number, because the mean of its divisors is an integer number (10552865).

Almost surely, 251062225 is an apocalyptic number.

It is an amenable number.

51062225 is a deficient number, since it is larger than the sum of its proper divisors (12254965).

51062225 is a wasteful number, since it uses less digits than its factorization.

51062225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042499 (or 2042494 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51062225 is about 7145.7837218880. The cubic root of 51062225 is about 370.9937372255.

The spelling of 51062225 in words is "fifty-one million, sixty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 2042489 10212445 51062225