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730791226 = 21148768209
BaseRepresentation
bin101011100011101…
…111110100111010
31212221010001002201
4223203233310322
52444040304401
6200303220414
724052423444
oct5343576472
91787101081
10730791226
113455702a0
121848a770a
13b8530559
146d0b1494
1544255b01
hex2b8efd3a

730791226 has 16 divisors (see below), whose sum is σ = 1198313280. Its totient is φ = 331490880.

The previous prime is 730791209. The next prime is 730791239. The reversal of 730791226 is 622197037.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23391 + ... + 44818.

It is an arithmetic number, because the mean of its divisors is an integer number (74894580).

Almost surely, 2730791226 is an apocalyptic number.

730791226 is a deficient number, since it is larger than the sum of its proper divisors (467522054).

730791226 is a wasteful number, since it uses less digits than its factorization.

730791226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68709.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 730791226 is about 27033.1505008203. The cubic root of 730791226 is about 900.7365271298.

It can be divided in two parts, 73079 and 1226, that added together give a triangular number (74305 = T385).

The spelling of 730791226 in words is "seven hundred thirty million, seven hundred ninety-one thousand, two hundred twenty-six".

Divisors: 1 2 11 22 487 974 5357 10714 68209 136418 750299 1500598 33217783 66435566 365395613 730791226