Search a number
-
+
8240219 = 134314741
BaseRepresentation
bin11111011011110001011011
3120111122110022
4133123301123
54102141334
6452341055
7130016651
oct37336133
916448408
108240219
114718aa9
12291478b
131926890
141146dd1
15acb82e
hex7dbc5b

8240219 has 8 divisors (see below), whose sum is σ = 9081072. Its totient is φ = 7428960.

The previous prime is 8240213. The next prime is 8240227. The reversal of 8240219 is 9120428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8240219 is a prime.

It is a super-2 number, since 2×82402192 = 135802418335922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8240213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6812 + ... + 7929.

It is an arithmetic number, because the mean of its divisors is an integer number (1135134).

Almost surely, 28240219 is an apocalyptic number.

8240219 is a deficient number, since it is larger than the sum of its proper divisors (840853).

8240219 is a wasteful number, since it uses less digits than its factorization.

8240219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14797.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8240219 is about 2870.5781647605. The cubic root of 8240219 is about 201.9821161830.

The spelling of 8240219 in words is "eight million, two hundred forty thousand, two hundred nineteen".

Divisors: 1 13 43 559 14741 191633 633863 8240219