Search a number
-
+
244072263 = 381357421
BaseRepresentation
bin11101000110000…
…11111101000111
3122000021011012110
432203003331013
5444440303023
640115152103
76022402641
oct1643037507
9560234173
10244072263
11115855116
12698a5633
133b748576
14245b5891
1516662a93
hexe8c3f47

244072263 has 4 divisors (see below), whose sum is σ = 325429688. Its totient is φ = 162714840.

The previous prime is 244072229. The next prime is 244072289. The reversal of 244072263 is 362270442.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 244072263 - 214 = 244055879 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 244072263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244072063) 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, 40678708 + ... + 40678713.

It is an arithmetic number, because the mean of its divisors is an integer number (81357422).

Almost surely, 2244072263 is an apocalyptic number.

244072263 is a deficient number, since it is larger than the sum of its proper divisors (81357425).

244072263 is an equidigital number, since it uses as much as digits as its factorization.

244072263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81357424.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 244072263 is about 15622.8122628418. The cubic root of 244072263 is about 624.9416589810.

The spelling of 244072263 in words is "two hundred forty-four million, seventy-two thousand, two hundred sixty-three".

Divisors: 1 3 81357421 244072263