Search a number
-
+
200291212 = 221117377237
BaseRepresentation
bin10111111000000…
…11001110001100
3111221212211220001
423330003032030
5402233304322
631512534044
74651306252
oct1374031614
9457784801
10200291212
11a3071830
12570b1324
1332659a14
141c85a5d2
15128b5827
hexbf0338c

200291212 has 48 divisors (see below), whose sum is σ = 415866528. Its totient is φ = 83358720.

The previous prime is 200291177. The next prime is 200291219. The reversal of 200291212 is 212192002.

200291212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 200291212.

It is not an unprimeable number, because it can be changed into a prime (200291219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24058 + ... + 31294.

It is an arithmetic number, because the mean of its divisors is an integer number (8663886).

Almost surely, 2200291212 is an apocalyptic number.

200291212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200291212 is an abundant number, since it is smaller than the sum of its proper divisors (215575316).

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

200291212 is a wasteful number, since it uses less digits than its factorization.

200291212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306 (or 7304 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 200291212 is about 14152.4277775935. The cubic root of 200291212 is about 585.0872463442.

The spelling of 200291212 in words is "two hundred million, two hundred ninety-one thousand, two hundred twelve".

Divisors: 1 2 4 11 17 22 34 37 44 68 74 148 187 374 407 629 748 814 1258 1628 2516 6919 7237 13838 14474 27676 28948 79607 123029 159214 246058 267769 318428 492116 535538 1071076 1353319 2706638 2945459 4552073 5413276 5890918 9104146 11781836 18208292 50072803 100145606 200291212