Search a number
-
+
2342457 = 321320021
BaseRepresentation
bin1000111011111000111001
311102000020200
420323320321
51044424312
6122112413
725624215
oct10737071
94360220
102342457
11135aa17
1294b709
13640290
1444d945
153140dc
hex23be39

2342457 has 12 divisors (see below), whose sum is σ = 3644004. Its totient is φ = 1441440.

The previous prime is 2342443. The next prime is 2342479. The reversal of 2342457 is 7542432.

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 2134521 = 456^2 + 1461^2 .

It is not a de Polignac number, because 2342457 - 26 = 2342393 is a prime.

It is a super-3 number, since 3×23424573 = 38559921123337553979, which contains 333 as substring.

It is a d-powerful number, because it can be written as 25 + 311 + 43 + 221 + 48 + 53 + 74 .

It is a self number, because there is not a number n which added to its sum of digits gives 2342457.

It is not an unprimeable number, because it can be changed into a prime (2342407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9894 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (303667).

22342457 is an apocalyptic number.

It is an amenable number.

2342457 is a deficient number, since it is larger than the sum of its proper divisors (1301547).

2342457 is a wasteful number, since it uses less digits than its factorization.

2342457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20040 (or 20037 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2342457 is about 1530.5087389492. The cubic root of 2342457 is about 132.8078896762.

Adding to 2342457 its reverse (7542432), we get a palindrome (9884889).

The spelling of 2342457 in words is "two million, three hundred forty-two thousand, four hundred fifty-seven".

Divisors: 1 3 9 13 39 117 20021 60063 180189 260273 780819 2342457