Search a number
-
+
80034431 = 85393827
BaseRepresentation
bin1001100010100…
…11101001111111
312120121011121012
410301103221333
5130442100211
611535225435
71661165351
oct461235177
9176534535
1080034431
11411a5064
122297827b
1313772c69
14a8b50d1
15705dd8b
hex4c53a7f

80034431 has 4 divisors (see below), whose sum is σ = 80129112. Its totient is φ = 79939752.

The previous prime is 80034401. The next prime is 80034433. The reversal of 80034431 is 13443008.

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 80034431 - 210 = 80033407 is a prime.

It is a super-2 number, since 2×800344312 = 12811020290987522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80034397 and 80034406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80034433) 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, 46061 + ... + 47766.

It is an arithmetic number, because the mean of its divisors is an integer number (20032278).

Almost surely, 280034431 is an apocalyptic number.

80034431 is a deficient number, since it is larger than the sum of its proper divisors (94681).

80034431 is an equidigital number, since it uses as much as digits as its factorization.

80034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94680.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 80034431 is about 8946.1964543598. The cubic root of 80034431 is about 430.9487452575.

Adding to 80034431 its reverse (13443008), we get a palindrome (93477439).

The spelling of 80034431 in words is "eighty million, thirty-four thousand, four hundred thirty-one".

Divisors: 1 853 93827 80034431