Search a number
-
+
689697196 = 22675714507
BaseRepresentation
bin101001000110111…
…111000110101100
31210001210020200121
4221012333012230
52403030302241
6152234334324
723043220666
oct5106770654
91701706617
10689697196
11324352791
12172b8a3a4
13acb72a66
1467855536
1540839ad1
hex291bf1ac

689697196 has 24 divisors (see below), whose sum is σ = 1227402176. Its totient is φ = 339031440.

The previous prime is 689697193. The next prime is 689697199. The reversal of 689697196 is 691796986.

It is an interprime number because it is at equal distance from previous prime (689697193) and next prime (689697199).

It is not an unprimeable number, because it can be changed into a prime (689697193) 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, 150775 + ... + 155281.

Almost surely, 2689697196 is an apocalyptic number.

It is an amenable number.

689697196 is a deficient number, since it is larger than the sum of its proper divisors (537704980).

689697196 is a wasteful number, since it uses less digits than its factorization.

689697196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149 (or 5147 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The square root of 689697196 is about 26262.0866650006. The cubic root of 689697196 is about 883.5263103085.

It can be divided in two parts, 68969719 and 6, that multiplied together give a palindrome (413818314).

The spelling of 689697196 in words is "six hundred eighty-nine million, six hundred ninety-seven thousand, one hundred ninety-six".

Divisors: 1 2 4 67 134 268 571 1142 2284 4507 9014 18028 38257 76514 153028 301969 603938 1207876 2573497 5146994 10293988 172424299 344848598 689697196