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6930664 = 2313103647
BaseRepresentation
bin11010011100000011101000
3111001010002021
4122130003220
53233240124
6404314224
7112624006
oct32340350
914033067
106930664
113a04124
1223a2974
1315887b0
14cc5a76
1591d7e4
hex69c0e8

6930664 has 32 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 3162816.

The previous prime is 6930661. The next prime is 6930673. The reversal of 6930664 is 4660396.

It is not an unprimeable number, because it can be changed into a prime (6930661) 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, 10389 + ... + 11035.

It is an arithmetic number, because the mean of its divisors is an integer number (442260).

Almost surely, 26930664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6930664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7076160).

6930664 is an abundant number, since it is smaller than the sum of its proper divisors (7221656).

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

6930664 is a wasteful number, since it uses less digits than its factorization.

6930664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 6930664 is about 2632.6154295681. The cubic root of 6930664 is about 190.6594261572.

The spelling of 6930664 in words is "six million, nine hundred thirty thousand, six hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 103 104 206 412 647 824 1294 1339 2588 2678 5176 5356 8411 10712 16822 33644 66641 67288 133282 266564 533128 866333 1732666 3465332 6930664