Base | Representation |
---|---|
bin | 101011011101110… |
… | …011010111001010 |
3 | 1212211011212101210 |
4 | 223131303113022 |
5 | 2443140422332 |
6 | 200205553550 |
7 | 24033243162 |
oct | 5335632712 |
9 | 1784155353 |
10 | 729232842 |
11 | 3446a6478 |
12 | 1842758b6 |
13 | b8106130 |
14 | 6cbc75a2 |
15 | 44048ecc |
hex | 2b7735ca |
729232842 has 32 divisors (see below), whose sum is σ = 1571774400. Its totient is φ = 224219520.
The previous prime is 729232841. The next prime is 729232859. The reversal of 729232842 is 248232927.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 729232842.
It is not an unprimeable number, because it can be changed into a prime (729232841) 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, 154534 + ... + 159182.
It is an arithmetic number, because the mean of its divisors is an integer number (49117950).
Almost surely, 2729232842 is an apocalyptic number.
729232842 is an abundant number, since it is smaller than the sum of its proper divisors (842541558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
729232842 is a wasteful number, since it uses less digits than its factorization.
729232842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6678.
The product of its digits is 96768, while the sum is 39.
The square root of 729232842 is about 27004.3115446404. The cubic root of 729232842 is about 900.0958095533.
The spelling of 729232842 in words is "seven hundred twenty-nine million, two hundred thirty-two thousand, eight hundred forty-two".
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