Search a number
-
+
34122620 = 2257234819
BaseRepresentation
bin1000001000101…
…0101101111100
32101012121102202
42002022231330
532213410440
63215211032
7563015600
oct202125574
971177382
1034122620
1118296914
12b516a78
1370b95cc
144763500
152ee0615
hex208ab7c

34122620 has 36 divisors (see below), whose sum is σ = 83359080. Its totient is φ = 11698848.

The previous prime is 34122581. The next prime is 34122623. The reversal of 34122620 is 2622143.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34122592 and 34122601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34122623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16430 + ... + 18389.

It is an arithmetic number, because the mean of its divisors is an integer number (2315530).

Almost surely, 234122620 is an apocalyptic number.

It is an amenable number.

34122620 is an abundant number, since it is smaller than the sum of its proper divisors (49236460).

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

34122620 is a wasteful number, since it uses less digits than its factorization.

34122620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34842 (or 34833 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 34122620 is about 5841.4570100275. The cubic root of 34122620 is about 324.3501650369.

Adding to 34122620 its reverse (2622143), we get a palindrome (36744763).

The spelling of 34122620 in words is "thirty-four million, one hundred twenty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 34819 69638 139276 174095 243733 348190 487466 696380 974932 1218665 1706131 2437330 3412262 4874660 6824524 8530655 17061310 34122620