Search a number
-
+
729950 = 252131123
BaseRepresentation
bin10110010001101011110
31101002022012
42302031132
5141324300
623351222
76130064
oct2621536
91332265
10729950
11459471
122b2512
131c7330
14150034
15e6435
hexb235e

729950 has 24 divisors (see below), whose sum is σ = 1463448. Its totient is φ = 269280.

The previous prime is 729947. The next prime is 729977. The reversal of 729950 is 59927.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (60977).

2729950 is an apocalyptic number.

729950 is an abundant number, since it is smaller than the sum of its proper divisors (733498).

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

729950 is a wasteful number, since it uses less digits than its factorization.

729950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 729950 is about 854.3711137439. The cubic root of 729950 is about 90.0390776804.

The spelling of 729950 in words is "seven hundred twenty-nine thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 1123 2246 5615 11230 14599 28075 29198 56150 72995 145990 364975 729950