Search a number
-
+
726229500481 = 8521912
BaseRepresentation
bin10101001000101101010…
…01101100001001000001
32120102112011221002010201
422210112221230021001
543344304223003411
61313343014325201
7103316433621262
oct12442651541101
92512464832121
10726229500481
1125aaa0690621
12b88b8959801
1353638626424
1427214a9a969
1513d56b913c1
hexa916a6c241

726229500481 has 3 divisors (see below), whose sum is σ = 726230352673. Its totient is φ = 726228648290.

The previous prime is 726229500401. The next prime is 726229500509. The reversal of 726229500481 is 184005922627.

The square root of 726229500481 is 852191.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 184005922627 = 993671851781.

It is not a de Polignac number, because 726229500481 - 29 = 726229499969 is a prime.

It is a super-2 number, since 2×7262295004812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726229500401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 426096 + ... + 1278286.

Almost surely, 2726229500481 is an apocalyptic number.

726229500481 is the 852191-st square number.

726229500481 is the 426096-th centered octagonal number.

It is an amenable number.

726229500481 is a deficient number, since it is larger than the sum of its proper divisors (852192).

726229500481 is an frugal number, since it uses more digits than its factorization.

726229500481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704382 (or 852191 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 726229500481 in words is "seven hundred twenty-six billion, two hundred twenty-nine million, five hundred thousand, four hundred eighty-one".

Divisors: 1 852191 726229500481