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730940091 = 3741598369
BaseRepresentation
bin101011100100010…
…100001010111011
31212221101121022020
4223210110022323
52444110040331
6200310325523
724053613450
oct5344241273
91787347266
10730940091
11345662122
121849598a3
13b858323b
146d10d827
1544284c96
hex2b9142bb

730940091 has 16 divisors (see below), whose sum is σ = 1114214400. Its totient is φ = 417529728.

The previous prime is 730940071. The next prime is 730940107. The reversal of 730940091 is 190049037.

730940091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730940091 - 26 = 730940027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730940011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83155 + ... + 91523.

It is an arithmetic number, because the mean of its divisors is an integer number (69638400).

Almost surely, 2730940091 is an apocalyptic number.

730940091 is a deficient number, since it is larger than the sum of its proper divisors (383274309).

730940091 is a wasteful number, since it uses less digits than its factorization.

730940091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12538.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 730940091 is about 27035.9037392871. The cubic root of 730940091 is about 900.7976841491.

The spelling of 730940091 in words is "seven hundred thirty million, nine hundred forty thousand, ninety-one".

Divisors: 1 3 7 21 4159 8369 12477 25107 29113 58583 87339 175749 34806671 104420013 243646697 730940091