Search a number
-
+
34542920 = 2357112163
BaseRepresentation
bin1000001111000…
…1010101001000
32101222221222102
42003301111020
532320333140
63232212532
7566416136
oct203612510
971887872
1034542920
1118553675
12b69a148
1372059c9
144832756
153074e15
hex20f1548

34542920 has 32 divisors (see below), whose sum is σ = 78822720. Its totient is φ = 13621440.

The previous prime is 34542919. The next prime is 34543009. The reversal of 34542920 is 2924543.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (2463210).

Almost surely, 234542920 is an apocalyptic number.

It is an amenable number.

34542920 is an abundant number, since it is smaller than the sum of its proper divisors (44279800).

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

34542920 is a wasteful number, since it uses less digits than its factorization.

34542920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245 (or 12241 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 34542920 is about 5877.3225196513. The cubic root of 34542920 is about 325.6764451342.

The spelling of 34542920 in words is "thirty-four million, five hundred forty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 1420 2840 12163 24326 48652 60815 97304 121630 243260 486520 863573 1727146 3454292 4317865 6908584 8635730 17271460 34542920