Search a number
-
+
1297433 = 3473739
BaseRepresentation
bin100111100110000011001
32102220202002
410330300121
5313004213
643450345
714012414
oct4746031
92386662
101297433
11806865
125269b5
13365717
1425ab7b
151a9658
hex13cc19

1297433 has 4 divisors (see below), whose sum is σ = 1301520. Its totient is φ = 1293348.

The previous prime is 1297421. The next prime is 1297447. The reversal of 1297433 is 3347921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1297433 - 26 = 1297369 is a prime.

It is a d-powerful number, because it can be written as 1 + 217 + 92 + 76 + 410 + 33 + 33 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1297396 and 1297405.

It is not an unprimeable number, because it can be changed into a prime (1297403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523 + ... + 2216.

It is an arithmetic number, because the mean of its divisors is an integer number (325380).

21297433 is an apocalyptic number.

It is an amenable number.

1297433 is a deficient number, since it is larger than the sum of its proper divisors (4087).

1297433 is an equidigital number, since it uses as much as digits as its factorization.

1297433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086.

The product of its digits is 4536, while the sum is 29.

The square root of 1297433 is about 1139.0491648739. The cubic root of 1297433 is about 109.0674049321.

The spelling of 1297433 in words is "one million, two hundred ninety-seven thousand, four hundred thirty-three".

Divisors: 1 347 3739 1297433