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4368990 = 235145633
BaseRepresentation
bin10000101010101001011110
322012222010110
4100222221132
52104301430
6233350450
752064403
oct20525136
98188113
104368990
11251453a
121568426
13b9c802
1481a2aa
155b47b0
hex42aa5e

4368990 has 16 divisors (see below), whose sum is σ = 10485648. Its totient is φ = 1165056.

The previous prime is 4368989. The next prime is 4369021. The reversal of 4368990 is 998634.

It is an Ulam number.

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, 72787 + ... + 72846.

It is an arithmetic number, because the mean of its divisors is an integer number (655353).

Almost surely, 24368990 is an apocalyptic number.

4368990 is an abundant number, since it is smaller than the sum of its proper divisors (6116658).

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

4368990 is a wasteful number, since it uses less digits than its factorization.

4368990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145643.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4368990 is about 2090.2129078159. The cubic root of 4368990 is about 163.4783893479.

The spelling of 4368990 in words is "four million, three hundred sixty-eight thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 145633 291266 436899 728165 873798 1456330 2184495 4368990