Search a number
-
+
264225647 = 7192104561
BaseRepresentation
bin11111011111111…
…00001101101111
3200102012001110002
433233330031233
51020120210042
642115134515
76355611110
oct1757741557
9612161402
10264225647
1112616a704
12745a443b
134298374a
1427140207
15182e4132
hexfbfc36f

264225647 has 12 divisors (see below), whose sum is σ = 318704976. Its totient is φ = 214557120.

The previous prime is 264225629. The next prime is 264225667. The reversal of 264225647 is 746522462.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-264225647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264225647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264225667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49754 + ... + 54807.

It is an arithmetic number, because the mean of its divisors is an integer number (26558748).

Almost surely, 2264225647 is an apocalyptic number.

264225647 is a deficient number, since it is larger than the sum of its proper divisors (54479329).

264225647 is a wasteful number, since it uses less digits than its factorization.

264225647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104606 (or 104587 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 264225647 is about 16255.0191325633. The cubic root of 264225647 is about 641.6895842792.

The spelling of 264225647 in words is "two hundred sixty-four million, two hundred twenty-five thousand, six hundred forty-seven".

Divisors: 1 7 19 133 361 2527 104561 731927 1986659 13906613 37746521 264225647