Search a number
-
+
213487152 = 2434447649
BaseRepresentation
bin11001011100110…
…00111000110000
3112212201021022120
430232120320300
5414123042102
633103434240
75201416344
oct1456307060
9485637276
10213487152
11aa56506a
125b5b5980
13352ca178
14204d3624
1513b206bc
hexcb98e30

213487152 has 20 divisors (see below), whose sum is σ = 551508600. Its totient is φ = 71162368.

The previous prime is 213487069. The next prime is 213487177. The reversal of 213487152 is 251784312.

It is a super-2 number, since 2×2134871522 = 91153528138142208, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2223777 + ... + 2223872.

It is an arithmetic number, because the mean of its divisors is an integer number (27575430).

Almost surely, 2213487152 is an apocalyptic number.

It is an amenable number.

213487152 is an abundant number, since it is smaller than the sum of its proper divisors (338021448).

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

213487152 is a wasteful number, since it uses less digits than its factorization.

213487152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447660 (or 4447654 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 213487152 is about 14611.1995400788. The cubic root of 213487152 is about 597.6642074776.

The spelling of 213487152 in words is "two hundred thirteen million, four hundred eighty-seven thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 4447649 8895298 13342947 17790596 26685894 35581192 53371788 71162384 106743576 213487152