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220828343 = 1409156727
BaseRepresentation
bin11010010100110…
…01001010110111
3120101112020112112
431022121022313
5423013001333
633525041235
75321003261
oct1512311267
9511466475
10220828343
1110371966a
1261b5621b
133699a778
1421484b31
15145c0948
hexd2992b7

220828343 has 4 divisors (see below), whose sum is σ = 220986480. Its totient is φ = 220670208.

The previous prime is 220828291. The next prime is 220828367. The reversal of 220828343 is 343828022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220828343 - 28 = 220828087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220828373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76955 + ... + 79772.

It is an arithmetic number, because the mean of its divisors is an integer number (55246620).

Almost surely, 2220828343 is an apocalyptic number.

220828343 is a deficient number, since it is larger than the sum of its proper divisors (158137).

220828343 is a wasteful number, since it uses less digits than its factorization.

220828343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158136.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 220828343 is about 14860.2941760922. The cubic root of 220828343 is about 604.4377838306.

The spelling of 220828343 in words is "two hundred twenty million, eight hundred twenty-eight thousand, three hundred forty-three".

Divisors: 1 1409 156727 220828343