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730158 = 2311132337
BaseRepresentation
bin10110010010000101110
31101002120220
42302100232
5141331113
623352210
76130512
oct2622056
91332526
10730158
11459640
122b2666
131c7460
14150142
15e6523
hexb242e

730158 has 64 divisors (see below), whose sum is σ = 1838592. Its totient is φ = 190080.

The previous prime is 730157. The next prime is 730187. The reversal of 730158 is 851037.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730158.

It is not an unprimeable number, because it can be changed into a prime (730157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19716 + ... + 19752.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2730158 is an apocalyptic number.

730158 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 730158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919296).

730158 is an abundant number, since it is smaller than the sum of its proper divisors (1108434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730158 is a wasteful number, since it uses less digits than its factorization.

730158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 730158 is about 854.4928320355. The cubic root of 730158 is about 90.0476291106.

It can be divided in two parts, 730 and 158, that added together give a palindrome (888).

The spelling of 730158 in words is "seven hundred thirty thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 11 13 22 23 26 33 37 39 46 66 69 74 78 111 138 143 222 253 286 299 407 429 481 506 598 759 814 851 858 897 962 1221 1443 1518 1702 1794 2442 2553 2886 3289 5106 5291 6578 9361 9867 10582 11063 15873 18722 19734 22126 28083 31746 33189 56166 66378 121693 243386 365079 730158