Search a number
-
+
2431297 = 111911633
BaseRepresentation
bin1001010001100101000001
311120112010001
421101211001
51110300142
6124040001
726444221
oct11214501
94515101
102431297
111410740
12993001
1367184b
14474081
153305b7
hex251941

2431297 has 8 divisors (see below), whose sum is σ = 2792160. Its totient is φ = 2093760.

The previous prime is 2431291. The next prime is 2431301. The reversal of 2431297 is 7921342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2431297 is a prime.

It is a super-2 number, since 2×24312972 = 11822410204418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5608 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (349020).

22431297 is an apocalyptic number.

It is an amenable number.

2431297 is a deficient number, since it is larger than the sum of its proper divisors (360863).

2431297 is a wasteful number, since it uses less digits than its factorization.

2431297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11663.

The product of its digits is 3024, while the sum is 28.

The square root of 2431297 is about 1559.2616842596. The cubic root of 2431297 is about 134.4660574097.

Adding to 2431297 its product of digits (3024), we get a triangular number (2434321 = T2206).

It can be divided in two parts, 243 and 1297, that added together give a triangular number (1540 = T55).

The spelling of 2431297 in words is "two million, four hundred thirty-one thousand, two hundred ninety-seven".

Divisors: 1 11 19 209 11633 127963 221027 2431297