Search a number
-
+
970729 = 1922689
BaseRepresentation
bin11101100111111101001
31211022120221
43230333221
5222030404
632450041
711152054
oct3547751
91738527
10970729
11603361
123a9921
1327cac6
141b3a9b
15142954
hexecfe9

970729 has 6 divisors (see below), whose sum is σ = 1024890. Its totient is φ = 919296.

The previous prime is 970721. The next prime is 970747. The reversal of 970729 is 927079.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 393129 = 760^2 + 627^2 .

It is not a de Polignac number, because 970729 - 23 = 970721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 970694 and 970703.

It is not an unprimeable number, because it can be changed into a prime (970721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 984 + ... + 1705.

It is an arithmetic number, because the mean of its divisors is an integer number (170815).

2970729 is an apocalyptic number.

It is an amenable number.

970729 is a deficient number, since it is larger than the sum of its proper divisors (54161).

970729 is a wasteful number, since it uses less digits than its factorization.

970729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 970729 is about 985.2558043473. The cubic root of 970729 is about 99.0146221983.

The spelling of 970729 in words is "nine hundred seventy thousand, seven hundred twenty-nine".

Divisors: 1 19 361 2689 51091 970729