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2440434 = 23406739
BaseRepresentation
bin1001010011110011110010
311120222122110
421103303302
51111043214
6124150150
726512653
oct11236362
94528573
102440434
111417597
12998356
13675a59
1447752a
15333159
hex253cf2

2440434 has 8 divisors (see below), whose sum is σ = 4880880. Its totient is φ = 813476.

The previous prime is 2440421. The next prime is 2440439. The reversal of 2440434 is 4340442.

It is a sphenic number, since it is the product of 3 distinct primes.

2440434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440434.

It is not an unprimeable number, because it can be changed into a prime (2440439) 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, 203364 + ... + 203375.

It is an arithmetic number, because the mean of its divisors is an integer number (610110).

22440434 is an apocalyptic number.

2440434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2440434 is a wasteful number, since it uses less digits than its factorization.

2440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406744.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2440434 is about 1562.1888490192. The cubic root of 2440434 is about 134.6342914145.

Adding to 2440434 its reverse (4340442), we get a palindrome (6780876).

The spelling of 2440434 in words is "two million, four hundred forty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 406739 813478 1220217 2440434