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731013093 = 3413964927
BaseRepresentation
bin101011100100100…
…101111111100101
31212221112022110000
4223210211333211
52444114404333
6200312051513
724054336336
oct5344457745
91787468400
10731013093
11345701a58
12184993b99
13b85aa535
146d12c28d
154429b713
hex2b925fe5

731013093 has 20 divisors (see below), whose sum is σ = 1099880320. Its totient is φ = 483828552.

The previous prime is 731013037. The next prime is 731013097. The reversal of 731013093 is 390310137.

It is not a de Polignac number, because 731013093 - 217 = 730882021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731013097) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21205 + ... + 43722.

It is an arithmetic number, because the mean of its divisors is an integer number (54994016).

Almost surely, 2731013093 is an apocalyptic number.

It is an amenable number.

731013093 is a deficient number, since it is larger than the sum of its proper divisors (368867227).

731013093 is a wasteful number, since it uses less digits than its factorization.

731013093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65078 (or 65069 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 731013093 is about 27037.2537991565. The cubic root of 731013093 is about 900.8276719435.

The spelling of 731013093 in words is "seven hundred thirty-one million, thirteen thousand, ninety-three".

Divisors: 1 3 9 27 81 139 417 1251 3753 11259 64927 194781 584343 1753029 5259087 9024853 27074559 81223677 243671031 731013093