Search a number
-
+
212386950 = 232521727763
BaseRepresentation
bin11001010100011…
…00010010000110
3112210122101010100
430222030102012
5413332340300
633024104530
75156154636
oct1452142206
9483571110
10212386950
11a9983506
125b165146
1335003469
14202c86c6
15139a4700
hexca8c486

212386950 has 72 divisors (see below), whose sum is σ = 604200168. Its totient is φ = 53303040.

The previous prime is 212386943. The next prime is 212386963. The reversal of 212386950 is 59683212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6232 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (8391669).

Almost surely, 2212386950 is an apocalyptic number.

212386950 is an abundant number, since it is smaller than the sum of its proper divisors (391813218).

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

212386950 is a wasteful number, since it uses less digits than its factorization.

212386950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27798 (or 27790 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 212386950 is about 14573.5016382474. The cubic root of 212386950 is about 596.6357550160.

The spelling of 212386950 in words is "two hundred twelve million, three hundred eighty-six thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 17 18 25 30 34 45 50 51 75 85 90 102 150 153 170 225 255 306 425 450 510 765 850 1275 1530 2550 3825 7650 27763 55526 83289 138815 166578 249867 277630 416445 471971 499734 694075 832890 943942 1249335 1388150 1415913 2082225 2359855 2498670 2831826 4164450 4247739 4719710 6246675 7079565 8495478 11799275 12493350 14159130 21238695 23598550 35397825 42477390 70795650 106193475 212386950