Search a number
-
+
2426881 = 14991619
BaseRepresentation
bin1001010000100000000001
311120022001111
421100200001
51110130011
6124003321
726425312
oct11204001
94508044
102426881
111408396
12990541
1366c832
14472609
1532e121
hex250801

2426881 has 4 divisors (see below), whose sum is σ = 2430000. Its totient is φ = 2423764.

The previous prime is 2426873. The next prime is 2426887. The reversal of 2426881 is 1886242.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2426881 - 23 = 2426873 is a prime.

It is a super-2 number, since 2×24268812 = 11779502776322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 27 + 47 + 221 + 67 + 83 + 85 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2426887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (607500).

It is a Proth number, since it is equal to 1185 ⋅ 211 + 1 and 1185 < 211.

22426881 is an apocalyptic number.

It is an amenable number.

2426881 is a deficient number, since it is larger than the sum of its proper divisors (3119).

2426881 is a wasteful number, since it uses less digits than its factorization.

2426881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118.

The product of its digits is 6144, while the sum is 31.

The square root of 2426881 is about 1557.8449858699. The cubic root of 2426881 is about 134.3845971873.

The spelling of 2426881 in words is "two million, four hundred twenty-six thousand, eight hundred eighty-one".

Divisors: 1 1499 1619 2426881