Search a number
-
+
67696216 = 2377431627
BaseRepresentation
bin1000000100011…
…11011001011000
311201101022202021
410002033121120
5114312234331
610414544224
71451260030
oct402173130
9151338667
1067696216
1135238195
121a808074
1311043043
148dc28c0
155e23211
hex408f658

67696216 has 32 divisors (see below), whose sum is σ = 145347840. Its totient is φ = 28955808.

The previous prime is 67696163. The next prime is 67696217. The reversal of 67696216 is 61269676.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67696217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40795 + ... + 42421.

It is an arithmetic number, because the mean of its divisors is an integer number (4542120).

Almost surely, 267696216 is an apocalyptic number.

It is an amenable number.

67696216 is an abundant number, since it is smaller than the sum of its proper divisors (77651624).

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

67696216 is a wasteful number, since it uses less digits than its factorization.

67696216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2379 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 67696216 is about 8227.7710225796. The cubic root of 67696216 is about 407.5567883521.

The spelling of 67696216 in words is "sixty-seven million, six hundred ninety-six thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 743 1486 1627 2972 3254 5201 5944 6508 10402 11389 13016 20804 22778 41608 45556 91112 1208861 2417722 4835444 8462027 9670888 16924054 33848108 67696216