Search a number
-
+
78343483 = 239327797
BaseRepresentation
bin1001010101101…
…10110100111011
312110102021001111
410222312310323
5130023442413
611435101151
71640623441
oct452666473
9173367044
1078343483
114024a689
12222a17b7
13133003ba
14a594b91
156d27d3d
hex4ab6d3b

78343483 has 4 divisors (see below), whose sum is σ = 78671520. Its totient is φ = 78015448.

The previous prime is 78343457. The next prime is 78343511. The reversal of 78343483 is 38434387.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78343483 - 213 = 78335291 is a prime.

It is a super-2 number, since 2×783434832 = 12275402657142578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78343183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163660 + ... + 164137.

It is an arithmetic number, because the mean of its divisors is an integer number (19667880).

Almost surely, 278343483 is an apocalyptic number.

78343483 is a deficient number, since it is larger than the sum of its proper divisors (328037).

78343483 is a wasteful number, since it uses less digits than its factorization.

78343483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328036.

The product of its digits is 193536, while the sum is 40.

The square root of 78343483 is about 8851.1854008376. The cubic root of 78343483 is about 427.8921231454.

The spelling of 78343483 in words is "seventy-eight million, three hundred forty-three thousand, four hundred eighty-three".

Divisors: 1 239 327797 78343483