Search a number
-
+
213235344 = 24327211543
BaseRepresentation
bin11001011010110…
…11011010010000
3112212020110220100
430231123122100
5414042012334
633054212400
75166320250
oct1455333220
9485213810
10213235344
11aa402963
125b4b4100
133523c67a
1420469960
1513ac0c99
hexcb5b690

213235344 has 60 divisors (see below), whose sum is σ = 682017856. Its totient is φ = 60924096.

The previous prime is 213235333. The next prime is 213235349. The reversal of 213235344 is 443532312.

213235344 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213235349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104764 + ... + 106779.

Almost surely, 2213235344 is an apocalyptic number.

213235344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213235344 is an abundant number, since it is smaller than the sum of its proper divisors (468782512).

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

213235344 is a wasteful number, since it uses less digits than its factorization.

213235344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211564 (or 211555 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 213235344 is about 14602.5800460056. The cubic root of 213235344 is about 597.4291334753.

Adding to 213235344 its reverse (443532312), we get a palindrome (656767656).

The spelling of 213235344 in words is "two hundred thirteen million, two hundred thirty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 211543 423086 634629 846172 1269258 1480801 1692344 1903887 2538516 2961602 3384688 3807774 4442403 5077032 5923204 7615548 8884806 10154064 11846408 13327209 15231096 17769612 23692816 26654418 30462192 35539224 53308836 71078448 106617672 213235344