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34424340 = 2235573739
BaseRepresentation
bin1000001101010…
…0011000010100
32101202221022120
42003110120110
532303034330
63225455540
7565413336
oct203243024
971687276
1034424340
1118482575
12b6415b0
137193a42
144801456
15304ec10
hex20d4614

34424340 has 24 divisors (see below), whose sum is σ = 96388320. Its totient is φ = 9179808.

The previous prime is 34424321. The next prime is 34424347. The reversal of 34424340 is 4342443.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 34424340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34424347) 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, 286810 + ... + 286929.

It is an arithmetic number, because the mean of its divisors is an integer number (4016180).

Almost surely, 234424340 is an apocalyptic number.

34424340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34424340 is an abundant number, since it is smaller than the sum of its proper divisors (61963980).

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

34424340 is a wasteful number, since it uses less digits than its factorization.

34424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573751 (or 573749 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 34424340 is about 5867.2259203136. The cubic root of 34424340 is about 325.3033538434.

Adding to 34424340 its reverse (4342443), we get a palindrome (38766783).

The spelling of 34424340 in words is "thirty-four million, four hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 573739 1147478 1721217 2294956 2868695 3442434 5737390 6884868 8606085 11474780 17212170 34424340