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7066090 = 256611069
BaseRepresentation
bin11010111101000111101010
3111021222212001
4122331013222
53302103330
6411241214
7114026563
oct32750752
914258761
107066090
113a96949
12244920a
131605325
14d1d16a
159489ca
hex6bd1ea

7066090 has 16 divisors (see below), whose sum is σ = 12750120. Its totient is φ = 2819520.

The previous prime is 7066079. The next prime is 7066091. The reversal of 7066090 is 906607.

It can be written as a sum of positive squares in 4 ways, for example, as 6355441 + 710649 = 2521^2 + 843^2 .

It is not an unprimeable number, because it can be changed into a prime (7066091) 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, 6076 + ... + 7144.

Almost surely, 27066090 is an apocalyptic number.

7066090 is a deficient number, since it is larger than the sum of its proper divisors (5684030).

7066090 is a wasteful number, since it uses less digits than its factorization.

7066090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7066090 is about 2658.2118049546. The cubic root of 7066090 is about 191.8932602596.

The spelling of 7066090 in words is "seven million, sixty-six thousand, ninety".

Divisors: 1 2 5 10 661 1069 1322 2138 3305 5345 6610 10690 706609 1413218 3533045 7066090