Search a number
-
+
225766763 = 1361165883
BaseRepresentation
bin11010111010011…
…10110101101011
3120201211010202222
431131032311223
5430244014023
634222544255
75410662065
oct1535166553
9521733688
10225766763
11106491a02
126373808b
1337a09501
1421dac735
1514c48cc8
hexd74ed6b

225766763 has 4 divisors (see below), whose sum is σ = 225934008. Its totient is φ = 225599520.

The previous prime is 225766741. The next prime is 225766789. The reversal of 225766763 is 367667522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367667522 = 2183833761.

It is a cyclic number.

It is not a de Polignac number, because 225766763 - 26 = 225766699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225766733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81581 + ... + 84302.

It is an arithmetic number, because the mean of its divisors is an integer number (56483502).

Almost surely, 2225766763 is an apocalyptic number.

225766763 is a deficient number, since it is larger than the sum of its proper divisors (167245).

225766763 is a wasteful number, since it uses less digits than its factorization.

225766763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167244.

The product of its digits is 635040, while the sum is 44.

The square root of 225766763 is about 15025.5370286722. The cubic root of 225766763 is about 608.9103210171.

The spelling of 225766763 in words is "two hundred twenty-five million, seven hundred sixty-six thousand, seven hundred sixty-three".

Divisors: 1 1361 165883 225766763