Search a number
-
+
146464213 = 720923459
BaseRepresentation
bin10001011101011…
…01110111010101
3101012121011010111
420232231313111
5244443323323
622311123021
73425632240
oct1056556725
9335534114
10146464213
1175747805
1241073471
132446171c
1415648257
15ccd1c0d
hex8baddd5

146464213 has 4 divisors (see below), whose sum is σ = 167387680. Its totient is φ = 125540748.

The previous prime is 146464193. The next prime is 146464223. The reversal of 146464213 is 312464641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-146464213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146464223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10461723 + ... + 10461736.

It is an arithmetic number, because the mean of its divisors is an integer number (41846920).

Almost surely, 2146464213 is an apocalyptic number.

It is an amenable number.

146464213 is a deficient number, since it is larger than the sum of its proper divisors (20923467).

146464213 is an equidigital number, since it uses as much as digits as its factorization.

146464213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20923466.

The product of its digits is 13824, while the sum is 31.

The square root of 146464213 is about 12102.2399992729. The cubic root of 146464213 is about 527.1212294034.

The spelling of 146464213 in words is "one hundred forty-six million, four hundred sixty-four thousand, two hundred thirteen".

Divisors: 1 7 20923459 146464213