Search a number
-
+
3280028819 = 71233919751
BaseRepresentation
bin1100001110000001…
…0100010010010011
322110120221201122212
43003200110102103
523204141410234
61301250222335
7144165533144
oct30340242223
98416851585
103280028819
111433544221
127765849ab
1340370c072
1423189bacb
15142e5a5ce
hexc3814493

3280028819 has 8 divisors (see below), whose sum is σ = 3327816960. Its totient is φ = 3232285000.

The previous prime is 3280028813. The next prime is 3280028849. The reversal of 3280028819 is 9188200823.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3280028819 - 216 = 3279963283 is a prime.

It is a super-2 number, since 2×32800288192 = 21517178106941069522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3280028813) 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, 156194 + ... + 175944.

It is an arithmetic number, because the mean of its divisors is an integer number (415977120).

Almost surely, 23280028819 is an apocalyptic number.

3280028819 is a deficient number, since it is larger than the sum of its proper divisors (47788141).

3280028819 is a wasteful number, since it uses less digits than its factorization.

3280028819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 3280028819 is about 57271.5358533364. The cubic root of 3280028819 is about 1485.7961198043.

The spelling of 3280028819 in words is "three billion, two hundred eighty million, twenty-eight thousand, eight hundred nineteen".

Divisors: 1 71 2339 19751 166069 1402321 46197589 3280028819