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2440590 = 23581353
BaseRepresentation
bin1001010011110110001110
311120222212020
421103312032
51111044330
6124151010
726513265
oct11236616
94528766
102440590
111417719
12998466
13675b49
144775dc
15333210
hex253d8e

2440590 has 16 divisors (see below), whose sum is σ = 5857488. Its totient is φ = 650816.

The previous prime is 2440589. The next prime is 2440591. The reversal of 2440590 is 950442.

It is an interprime number because it is at equal distance from previous prime (2440589) and next prime (2440591).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2440590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440591) 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, 40647 + ... + 40706.

It is an arithmetic number, because the mean of its divisors is an integer number (366093).

22440590 is an apocalyptic number.

2440590 is an abundant number, since it is smaller than the sum of its proper divisors (3416898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2440590 is a wasteful number, since it uses less digits than its factorization.

2440590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81363.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2440590 is about 1562.2387781642. The cubic root of 2440590 is about 134.6371600985.

The spelling of 2440590 in words is "two million, four hundred forty thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 81353 162706 244059 406765 488118 813530 1220295 2440590