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34379020 = 22513235749
BaseRepresentation
bin1000001100100…
…1010100001100
32101200122011001
42003021110030
532300112040
63224510044
7565134244
oct203112414
971618131
1034379020
1118451515
12b61b324
137179220
1447ccb24
15304159a
hex20c950c

34379020 has 48 divisors (see below), whose sum is σ = 81144000. Its totient is φ = 12139776.

The previous prime is 34379011. The next prime is 34379021. The reversal of 34379020 is 2097343.

It is a self number, because there is not a number n which added to its sum of digits gives 34379020.

It is not an unprimeable number, because it can be changed into a prime (34379021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3106 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (1690500).

Almost surely, 234379020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34379020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40572000).

34379020 is an abundant number, since it is smaller than the sum of its proper divisors (46764980).

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

34379020 is a wasteful number, since it uses less digits than its factorization.

34379020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794 (or 5792 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 34379020 is about 5863.3625165088. The cubic root of 34379020 is about 325.1605360736.

The spelling of 34379020 in words is "thirty-four million, three hundred seventy-nine thousand, twenty".

Divisors: 1 2 4 5 10 13 20 23 26 46 52 65 92 115 130 230 260 299 460 598 1196 1495 2990 5749 5980 11498 22996 28745 57490 74737 114980 132227 149474 264454 298948 373685 528908 661135 747370 1322270 1494740 1718951 2644540 3437902 6875804 8594755 17189510 34379020