Search a number
-
+
212103032 = 23532511993
BaseRepresentation
bin11001010010001…
…10111101111000
3112210002221122212
430221012331320
5413244244112
633014034252
75153563121
oct1451067570
9483087585
10212103032
11a97aa169
125b048988
1334c3416b
1420253048
151394a522
hexca46f78

212103032 has 32 divisors (see below), whose sum is σ = 407015280. Its totient is φ = 103584000.

The previous prime is 212103011. The next prime is 212103037. The reversal of 212103032 is 230301212.

It is a happy number.

It is a super-3 number, since 3×2121030323 (a number of 26 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 212102998 and 212103016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105428 + ... + 107420.

Almost surely, 2212103032 is an apocalyptic number.

It is an amenable number.

212103032 is a deficient number, since it is larger than the sum of its proper divisors (194912248).

212103032 is a wasteful number, since it uses less digits than its factorization.

212103032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212103032 is about 14563.7574821884. The cubic root of 212103032 is about 596.3697763877.

Adding to 212103032 its reverse (230301212), we get a palindrome (442404244).

It can be divided in two parts, 21210 and 3032, that added together give a palindrome (24242).

The spelling of 212103032 in words is "two hundred twelve million, one hundred three thousand, thirty-two".

Divisors: 1 2 4 8 53 106 212 251 424 502 1004 1993 2008 3986 7972 13303 15944 26606 53212 105629 106424 211258 422516 500243 845032 1000486 2000972 4001944 26512879 53025758 106051516 212103032