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3198630 = 235106621
BaseRepresentation
bin1100001100111010100110
320000111200210
430030322212
51304324010
6152320250
736121311
oct14147246
96014623
103198630
1118951a6
1210a3086
1387cba6
145d3978
15432b20
hex30cea6

3198630 has 16 divisors (see below), whose sum is σ = 7676784. Its totient is φ = 852960.

The previous prime is 3198619. The next prime is 3198649. The reversal of 3198630 is 368913.

3198630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 106621 = 3198630 / (3 + 1 + 9 + 8 + 6 + 3 + 0).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 53281 + ... + 53340.

It is an arithmetic number, because the mean of its divisors is an integer number (479799).

Almost surely, 23198630 is an apocalyptic number.

3198630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3198630 is an abundant number, since it is smaller than the sum of its proper divisors (4478154).

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

3198630 is a wasteful number, since it uses less digits than its factorization.

3198630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106631.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3198630 is about 1788.4714143648. The cubic root of 3198630 is about 147.3402272640.

It can be divided in two parts, 3198 and 630, that added together give a triangular number (3828 = T87).

The spelling of 3198630 in words is "three million, one hundred ninety-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 106621 213242 319863 533105 639726 1066210 1599315 3198630