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225064747 = 1937320149
BaseRepresentation
bin11010110101000…
…11011100101011
3120200111110210101
431122203130223
5430104032442
634155530231
75402006305
oct1532433453
9520443711
10225064747
11106052526
1263459977
1337821b0b
1421c68975
1514b5acb7
hexd6a372b

225064747 has 8 divisors (see below), whose sum is σ = 243314000. Its totient is φ = 207455904.

The previous prime is 225064739. The next prime is 225064753. The reversal of 225064747 is 747460522.

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

It is a cyclic number.

It is not a de Polignac number, because 225064747 - 23 = 225064739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (225064787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159372 + ... + 160777.

It is an arithmetic number, because the mean of its divisors is an integer number (30414250).

Almost surely, 2225064747 is an apocalyptic number.

225064747 is the 8662-nd hex number.

225064747 is a deficient number, since it is larger than the sum of its proper divisors (18249253).

225064747 is a wasteful number, since it uses less digits than its factorization.

225064747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320205.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 225064747 is about 15002.1580780900. The cubic root of 225064747 is about 608.2785353447.

The spelling of 225064747 in words is "two hundred twenty-five million, sixty-four thousand, seven hundred forty-seven".

Divisors: 1 19 37 703 320149 6082831 11845513 225064747