Search a number
-
+
212034430 = 25109194527
BaseRepresentation
bin11001010001101…
…10001101111110
3112202222110120001
430220312031332
5413240100210
633012344514
75153156116
oct1450661576
9482873501
10212034430
11a9762673
125b01513a
1334c0bb7a
1420236046
151393503a
hexca3637e

212034430 has 16 divisors (see below), whose sum is σ = 385165440. Its totient is φ = 84035232.

The previous prime is 212034409. The next prime is 212034463. The reversal of 212034430 is 34430212.

It is a junction number, because it is equal to n+sod(n) for n = 212034398 and 212034407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96174 + ... + 98353.

It is an arithmetic number, because the mean of its divisors is an integer number (24072840).

Almost surely, 2212034430 is an apocalyptic number.

212034430 is a deficient number, since it is larger than the sum of its proper divisors (173131010).

212034430 is a wasteful number, since it uses less digits than its factorization.

212034430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194643.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 212034430 is about 14561.4020616148. The cubic root of 212034430 is about 596.3054734078.

Adding to 212034430 its reverse (34430212), we get a palindrome (246464642).

The spelling of 212034430 in words is "two hundred twelve million, thirty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 109 218 545 1090 194527 389054 972635 1945270 21203443 42406886 106017215 212034430