Search a number
-
+
213252463 = 975573947
BaseRepresentation
bin11001011010111…
…11100101101111
3112212021100101101
430231133211233
5414043034323
633054423531
75166421204
oct1455374557
9485240341
10213252463
11aa414806
125b501ba7
13352473b8
1420471cab
1513ac5dad
hexcb5f96f

213252463 has 8 divisors (see below), whose sum is σ = 215892432. Its totient is φ = 210621696.

The previous prime is 213252449. The next prime is 213252467. The reversal of 213252463 is 364252312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213252463 - 221 = 211155311 is a prime.

It is a super-2 number, since 2×2132524632 = 90953225951132738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213252467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52056 + ... + 56002.

It is an arithmetic number, because the mean of its divisors is an integer number (26986554).

Almost surely, 2213252463 is an apocalyptic number.

213252463 is a deficient number, since it is larger than the sum of its proper divisors (2639969).

213252463 is an equidigital number, since it uses as much as digits as its factorization.

213252463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601.

The product of its digits is 8640, while the sum is 28.

The square root of 213252463 is about 14603.1661977805. The cubic root of 213252463 is about 597.4451206868.

The spelling of 213252463 in words is "two hundred thirteen million, two hundred fifty-two thousand, four hundred sixty-three".

Divisors: 1 97 557 3947 54029 382859 2198479 213252463