Search a number
-
+
20059170 = 2353121569
BaseRepresentation
bin100110010000…
…1010000100010
31101202010000020
41030201100202
520113343140
61553534310
7332333355
oct114412042
941663006
1020059170
111036082a
126874396
134204341
14294229c
151b636d0
hex1321422

20059170 has 32 divisors (see below), whose sum is σ = 49697280. Its totient is φ = 5176320.

The previous prime is 20059163. The next prime is 20059187. The reversal of 20059170 is 7195002.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20059170.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9855 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (1553040).

Almost surely, 220059170 is an apocalyptic number.

20059170 is an abundant number, since it is smaller than the sum of its proper divisors (29638110).

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

20059170 is a wasteful number, since it uses less digits than its factorization.

20059170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21610.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 20059170 is about 4478.7464764150. The cubic root of 20059170 is about 271.7091849260.

It can be divided in two parts, 200591 and 70, that added together give a triangular number (200661 = T633).

The spelling of 20059170 in words is "twenty million, fifty-nine thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 21569 43138 64707 107845 129414 215690 323535 647070 668639 1337278 2005917 3343195 4011834 6686390 10029585 20059170