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2492481 = 3830827
BaseRepresentation
bin1001100000100001000001
311200122001010
421200201001
51114224411
6125231133
730120465
oct11404101
94618033
102492481
111452702
12a024a9
13693654
1448c4a5
153437a6
hex260841

2492481 has 4 divisors (see below), whose sum is σ = 3323312. Its totient is φ = 1661652.

The previous prime is 2492461. The next prime is 2492509. The reversal of 2492481 is 1842942.

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 not a de Polignac number, because 2492481 - 26 = 2492417 is a prime.

It is a super-2 number, since 2×24924812 = 12424923070722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492461) 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, 415411 + ... + 415416.

It is an arithmetic number, because the mean of its divisors is an integer number (830828).

22492481 is an apocalyptic number.

It is an amenable number.

2492481 is a deficient number, since it is larger than the sum of its proper divisors (830831).

2492481 is an equidigital number, since it uses as much as digits as its factorization.

2492481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830830.

The product of its digits is 4608, while the sum is 30.

The square root of 2492481 is about 1578.7593230129. The cubic root of 2492481 is about 135.5846794849.

The spelling of 2492481 in words is "two million, four hundred ninety-two thousand, four hundred eighty-one".

Divisors: 1 3 830827 2492481