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730603361 = 2687271903
BaseRepresentation
bin101011100011000…
…001111101100001
31212220202111101202
4223203001331201
52444013301421
6200255210545
724051011645
oct5343017541
91786674352
10730603361
11345452134
12184816a55
13b8495ba7
146d062c25
154421a10b
hex2b8c1f61

730603361 has 4 divisors (see below), whose sum is σ = 730877952. Its totient is φ = 730328772.

The previous prime is 730603343. The next prime is 730603387. The reversal of 730603361 is 163306037.

730603361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 730603361 - 218 = 730341217 is a prime.

It is a super-2 number, since 2×7306033612 = 1067562542208992642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730603301) 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, 133265 + ... + 138638.

It is an arithmetic number, because the mean of its divisors is an integer number (182719488).

Almost surely, 2730603361 is an apocalyptic number.

It is an amenable number.

730603361 is a deficient number, since it is larger than the sum of its proper divisors (274591).

730603361 is a wasteful number, since it uses less digits than its factorization.

730603361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274590.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 730603361 is about 27029.6755622408. The cubic root of 730603361 is about 900.6593361967.

Adding to 730603361 its reverse (163306037), we get a palindrome (893909398).

The spelling of 730603361 in words is "seven hundred thirty million, six hundred three thousand, three hundred sixty-one".

Divisors: 1 2687 271903 730603361