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6696380 = 2251132963
BaseRepresentation
bin11001100010110110111100
3110121012201002
4121202312330
53203241010
6355305432
7110626655
oct31426674
913535632
106696380
1138640a9
1222ab278
131505c72
14c6452c
158c41a5
hex662dbc

6696380 has 24 divisors (see below), whose sum is σ = 14191632. Its totient is φ = 2653952.

The previous prime is 6696377. The next prime is 6696383. The reversal of 6696380 is 836966.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6696377) and next prime (6696383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6696383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (591318).

Almost surely, 26696380 is an apocalyptic number.

It is an amenable number.

6696380 is an abundant number, since it is smaller than the sum of its proper divisors (7495252).

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

6696380 is a wasteful number, since it uses less digits than its factorization.

6696380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6696380 is about 2587.7364626252. The cubic root of 6696380 is about 188.4864045618.

The spelling of 6696380 in words is "six million, six hundred ninety-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 2963 5926 11852 14815 29630 59260 334819 669638 1339276 1674095 3348190 6696380