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730461361 = 7104351623
BaseRepresentation
bin101011100010011…
…111010010110001
31212220111021121111
4223202133102301
52443444230421
6200252153321
724046550650
oct5342372261
91786437544
10730461361
11345365483
12184768841
13b8446376
146d027197
15441dcee1
hex2b89f4b1

730461361 has 4 divisors (see below), whose sum is σ = 834812992. Its totient is φ = 626109732.

The previous prime is 730461349. The next prime is 730461377. The reversal of 730461361 is 163164037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163164037 = 1311245527.

It is a cyclic number.

It is not a de Polignac number, because 730461361 - 215 = 730428593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730461331) 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, 52175805 + ... + 52175818.

It is an arithmetic number, because the mean of its divisors is an integer number (208703248).

Almost surely, 2730461361 is an apocalyptic number.

It is an amenable number.

730461361 is a deficient number, since it is larger than the sum of its proper divisors (104351631).

730461361 is a wasteful number, since it uses less digits than its factorization.

730461361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104351630.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 730461361 is about 27027.0486920048. The cubic root of 730461361 is about 900.6009817282.

The spelling of 730461361 in words is "seven hundred thirty million, four hundred sixty-one thousand, three hundred sixty-one".

Divisors: 1 7 104351623 730461361