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3630993 = 38591409
BaseRepresentation
bin1101110110011110010001
320211110210020
431312132101
51412142433
6205454053
742601662
oct15663621
96743706
103630993
112060023
121271329
139a1922
146a7369
154bacb3
hex376791

3630993 has 8 divisors (see below), whose sum is σ = 4850400. Its totient is φ = 2416128.

The previous prime is 3630983. The next prime is 3630997. The reversal of 3630993 is 3990363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3630993 - 25 = 3630961 is a prime.

It is a super-2 number, since 2×36309932 = 26368220332098, which contains 22 as substring.

3630993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3630997) 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, 1873 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (606300).

Almost surely, 23630993 is an apocalyptic number.

It is an amenable number.

3630993 is a deficient number, since it is larger than the sum of its proper divisors (1219407).

3630993 is a wasteful number, since it uses less digits than its factorization.

3630993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 3630993 is about 1905.5164654235. The cubic root of 3630993 is about 153.7004493640.

The spelling of 3630993 in words is "three million, six hundred thirty thousand, nine hundred ninety-three".

Divisors: 1 3 859 1409 2577 4227 1210331 3630993