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3684540 = 223561409
BaseRepresentation
bin1110000011100010111100
320221012020110
432003202330
51420401130
6210550020
743214046
oct16034274
96835213
103684540
112097282
121298310
139c0102
146bca96
154cbab0
hex3838bc

3684540 has 24 divisors (see below), whose sum is σ = 10316880. Its totient is φ = 982528.

The previous prime is 3684539. The next prime is 3684553. The reversal of 3684540 is 454863.

3684540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3684498 and 3684507.

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, 30645 + ... + 30764.

It is an arithmetic number, because the mean of its divisors is an integer number (429870).

Almost surely, 23684540 is an apocalyptic number.

3684540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3684540 is an abundant number, since it is smaller than the sum of its proper divisors (6632340).

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

3684540 is a wasteful number, since it uses less digits than its factorization.

3684540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61421 (or 61419 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 3684540 is about 1919.5155638858. The cubic root of 3684540 is about 154.4523161149.

It can be divided in two parts, 3684 and 540, that added together give a palindrome (4224).

The spelling of 3684540 in words is "three million, six hundred eighty-four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61409 122818 184227 245636 307045 368454 614090 736908 921135 1228180 1842270 3684540