Search a number
-
+
1397333 = 7228517
BaseRepresentation
bin101010101001001010101
32121222210002
411111021111
5324203313
645541045
714606600
oct5251125
92558702
101397333
11874923
12574785
1339c032
14285337
151c9058
hex155255

1397333 has 6 divisors (see below), whose sum is σ = 1625526. Its totient is φ = 1197672.

The previous prime is 1397329. The next prime is 1397339. The reversal of 1397333 is 3337931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1350244 + 47089 = 1162^2 + 217^2 .

It is not a de Polignac number, because 1397333 - 22 = 1397329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1397296 and 1397305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397339) 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, 14210 + ... + 14307.

It is an arithmetic number, because the mean of its divisors is an integer number (270921).

21397333 is an apocalyptic number.

It is an amenable number.

1397333 is a deficient number, since it is larger than the sum of its proper divisors (228193).

1397333 is an equidigital number, since it uses as much as digits as its factorization.

1397333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28531 (or 28524 counting only the distinct ones).

The product of its digits is 5103, while the sum is 29.

The square root of 1397333 is about 1182.0884061694. The cubic root of 1397333 is about 111.7978123042.

The spelling of 1397333 in words is "one million, three hundred ninety-seven thousand, three hundred thirty-three".

Divisors: 1 7 49 28517 199619 1397333