Search a number
-
+
80424138 = 2389150607
BaseRepresentation
bin1001100101100…
…10110011001010
312121022222011210
410302302303022
5131042033023
611551433550
71664410464
oct462626312
9177288153
1080424138
1141440933
1222b258b6
131387b462
14a977134
1570d9593
hex4cb2cca

80424138 has 16 divisors (see below), whose sum is σ = 162656640. Its totient is φ = 26506656.

The previous prime is 80424119. The next prime is 80424143. The reversal of 80424138 is 83142408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74770 + ... + 75837.

It is an arithmetic number, because the mean of its divisors is an integer number (10166040).

Almost surely, 280424138 is an apocalyptic number.

80424138 is an abundant number, since it is smaller than the sum of its proper divisors (82232502).

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

80424138 is a wasteful number, since it uses less digits than its factorization.

80424138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150701.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 80424138 is about 8967.9506020049. The cubic root of 80424138 is about 431.6470775850.

It can be divided in two parts, 804 and 24138, that added together give a palindrome (24942).

The spelling of 80424138 in words is "eighty million, four hundred twenty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 89 178 267 534 150607 301214 451821 903642 13404023 26808046 40212069 80424138