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226968990 = 2357565633
BaseRepresentation
bin11011000011101…
…00010110011110
3120211002012220220
431201310112132
5431101001430
634304422210
75424130113
oct1541642636
9524065826
10226968990
11107133186
1264017966
133803a7a1
142220290a
1514dd5110
hexd87459e

226968990 has 16 divisors (see below), whose sum is σ = 544725648. Its totient is φ = 60525056.

The previous prime is 226968977. The next prime is 226968997. The reversal of 226968990 is 99869622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226968997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782787 + ... + 3782846.

It is an arithmetic number, because the mean of its divisors is an integer number (34045353).

Almost surely, 2226968990 is an apocalyptic number.

226968990 is an abundant number, since it is smaller than the sum of its proper divisors (317756658).

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

226968990 is a wasteful number, since it uses less digits than its factorization.

226968990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565643.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 226968990 is about 15065.4900351764. The cubic root of 226968990 is about 609.9892410536.

The spelling of 226968990 in words is "two hundred twenty-six million, nine hundred sixty-eight thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 7565633 15131266 22696899 37828165 45393798 75656330 113484495 226968990