Search a number
-
+
146412780 = 22352440213
BaseRepresentation
bin10001011101000…
…01010011101100
3101012111112120120
420232201103230
5244440202110
622310044540
73425326263
oct1056412354
9335445516
10146412780
11757120a8
1241049750
13244441a7
14156335da
15ccc1870
hex8ba14ec

146412780 has 24 divisors (see below), whose sum is σ = 409955952. Its totient is φ = 39043392.

The previous prime is 146412767. The next prime is 146412781. The reversal of 146412780 is 87214641.

It is not an unprimeable number, because it can be changed into a prime (146412781) by changing a digit.

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, 1220047 + ... + 1220166.

It is an arithmetic number, because the mean of its divisors is an integer number (17081498).

Almost surely, 2146412780 is an apocalyptic number.

146412780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146412780 is an abundant number, since it is smaller than the sum of its proper divisors (263543172).

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

146412780 is a wasteful number, since it uses less digits than its factorization.

146412780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440225 (or 2440223 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 146412780 is about 12100.1148754878. The cubic root of 146412780 is about 527.0595201304.

The spelling of 146412780 in words is "one hundred forty-six million, four hundred twelve thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2440213 4880426 7320639 9760852 12201065 14641278 24402130 29282556 36603195 48804260 73206390 146412780