Search a number
-
+
2420497 = 23105239
BaseRepresentation
bin1001001110111100010001
311112222022001
421032330101
51104423442
6123514001
726400562
oct11167421
94488261
102420497
111403612
12988901
13669961
14470169
1532c2b7
hex24ef11

2420497 has 4 divisors (see below), whose sum is σ = 2525760. Its totient is φ = 2315236.

The previous prime is 2420479. The next prime is 2420519. The reversal of 2420497 is 7940242.

2420497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7940242 = 23970121.

It is a cyclic number.

It is not a de Polignac number, because 2420497 - 215 = 2387729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52597 + ... + 52642.

It is an arithmetic number, because the mean of its divisors is an integer number (631440).

22420497 is an apocalyptic number.

It is an amenable number.

2420497 is a deficient number, since it is larger than the sum of its proper divisors (105263).

2420497 is a wasteful number, since it uses less digits than its factorization.

2420497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105262.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2420497 is about 1555.7946522597. The cubic root of 2420497 is about 134.2666591665.

The spelling of 2420497 in words is "two million, four hundred twenty thousand, four hundred ninety-seven".

Divisors: 1 23 105239 2420497