Search a number
-
+
8720283252 = 2231201605071
BaseRepresentation
bin10000001111100010…
…01111011001110100
3211111201202021202210
420013301033121310
5120324343031002
64001145533420
7426045120222
oct100761173164
924451667683
108720283252
11377541096a
1218344a4270
13a8c834825
145ca201b12
1536087796c
hex207c4f674

8720283252 has 24 divisors (see below), whose sum is σ = 20364303232. Its totient is φ = 2904336000.

The previous prime is 8720283239. The next prime is 8720283293. The reversal of 8720283252 is 2523820278.

8720283252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×87202832522 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8720283252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288124 + ... + 316947.

Almost surely, 28720283252 is an apocalyptic number.

It is an amenable number.

8720283252 is an abundant number, since it is smaller than the sum of its proper divisors (11644019980).

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

8720283252 is a wasteful number, since it uses less digits than its factorization.

8720283252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606279 (or 606277 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 8720283252 is about 93382.4568749398. The cubic root of 8720283252 is about 2058.3072193438.

The spelling of 8720283252 in words is "eight billion, seven hundred twenty million, two hundred eighty-three thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 1201 2402 3603 4804 7206 14412 605071 1210142 1815213 2420284 3630426 7260852 726690271 1453380542 2180070813 2906761084 4360141626 8720283252