Search a number
-
+
169893212 = 22192235437
BaseRepresentation
bin10100010000001…
…01110101011100
3102211200110200012
422020011311130
5321443040322
624505222352
74132032326
oct1210056534
9384613605
10169893212
118799a315
1248a919b8
1329275838
14187c6616
15edadae2
hexa205d5c

169893212 has 12 divisors (see below), whose sum is σ = 312961320. Its totient is φ = 80475696.

The previous prime is 169893169. The next prime is 169893221. The reversal of 169893212 is 212398961.

It is a self number, because there is not a number n which added to its sum of digits gives 169893212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117643 + ... + 1117794.

It is an arithmetic number, because the mean of its divisors is an integer number (26080110).

Almost surely, 2169893212 is an apocalyptic number.

It is an amenable number.

169893212 is a deficient number, since it is larger than the sum of its proper divisors (143068108).

169893212 is a wasteful number, since it uses less digits than its factorization.

169893212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235460 (or 2235458 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 169893212 is about 13034.3090342373. The cubic root of 169893212 is about 553.8498074526.

The spelling of 169893212 in words is "one hundred sixty-nine million, eight hundred ninety-three thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 2235437 4470874 8941748 42473303 84946606 169893212