Search a number
-
+
6680072 = 237217041
BaseRepresentation
bin11001011110111000001000
3110120101100002
4121132320020
53202230242
6355102132
7110531300
oct31367010
913511302
106680072
113852923
1222a1948
1314cb709
14c5c600
158be432
hex65ee08

6680072 has 24 divisors (see below), whose sum is σ = 14570910. Its totient is φ = 2862720.

The previous prime is 6680059. The next prime is 6680081. The reversal of 6680072 is 2700866.

It can be written as a sum of positive squares in only one way, i.e., 4351396 + 2328676 = 2086^2 + 1526^2 .

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 5 ways as a sum of consecutive naturals, for example, 8129 + ... + 8912.

Almost surely, 26680072 is an apocalyptic number.

It is an amenable number.

6680072 is an abundant number, since it is smaller than the sum of its proper divisors (7890838).

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

6680072 is a wasteful number, since it uses less digits than its factorization.

6680072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17061 (or 17050 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 6680072 is about 2584.5835254447. The cubic root of 6680072 is about 188.3332703335. Note that the first 3 decimals are identical.

The spelling of 6680072 in words is "six million, six hundred eighty thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 17041 34082 68164 119287 136328 238574 477148 835009 954296 1670018 3340036 6680072