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3442440 = 233528687
BaseRepresentation
bin1101001000011100001000
320110220010210
431020130020
51340124230
6201441120
741155161
oct15103410
96426123
103442440
111a413a1
1211a01a0
13936b61
14658768
1547eeb0
hex348708

3442440 has 32 divisors (see below), whose sum is σ = 10327680. Its totient is φ = 917952.

The previous prime is 3442427. The next prime is 3442441. The reversal of 3442440 is 442443.

3442440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3442441) 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, 14224 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (322740).

Almost surely, 23442440 is an apocalyptic number.

3442440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3442440 is an abundant number, since it is smaller than the sum of its proper divisors (6885240).

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

3442440 is a wasteful number, since it uses less digits than its factorization.

3442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28701 (or 28697 counting only the distinct ones).

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

The square root of 3442440 is about 1855.3813624158. The cubic root of 3442440 is about 150.9925291978.

Adding to 3442440 its reverse (442443), we get a palindrome (3884883).

The spelling of 3442440 in words is "three million, four hundred forty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 28687 57374 86061 114748 143435 172122 229496 286870 344244 430305 573740 688488 860610 1147480 1721220 3442440