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730332193 = 3123559103
BaseRepresentation
bin101011100001111…
…111110000100001
31212220020201102111
4223201333300201
52443431112233
6200245315321
724045502243
oct5341776041
91786221374
10730332193
11345287428
12184705b41
13b83cc636
146cdd2093
15441b4acd
hex2b87fc21

730332193 has 4 divisors (see below), whose sum is σ = 753891328. Its totient is φ = 706773060.

The previous prime is 730332191. The next prime is 730332283. The reversal of 730332193 is 391233037.

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.

It is a cyclic number.

It is not a de Polignac number, because 730332193 - 21 = 730332191 is a prime.

It is a super-2 number, since 2×7303321932 = 1066770224264378498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 23559103 = 730332193 / (7 + 3 + 0 + 3 + 3 + 2 + 1 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730332191) 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, 11779521 + ... + 11779582.

It is an arithmetic number, because the mean of its divisors is an integer number (188472832).

Almost surely, 2730332193 is an apocalyptic number.

It is an amenable number.

730332193 is a deficient number, since it is larger than the sum of its proper divisors (23559135).

730332193 is a wasteful number, since it uses less digits than its factorization.

730332193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23559134.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 730332193 is about 27024.6589802721. The cubic root of 730332193 is about 900.5478939623.

The spelling of 730332193 in words is "seven hundred thirty million, three hundred thirty-two thousand, one hundred ninety-three".

Divisors: 1 31 23559103 730332193