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384964220 = 22519248211
BaseRepresentation
bin10110111100100…
…001011001111100
3222211101012122002
4112330201121330
51242022323340
6102111041432
712353066444
oct2674413174
9884335562
10384964220
11188336353
12a8b10278
13619a88a4
14391ad124
1523be3715
hex16f2167c

384964220 has 12 divisors (see below), whose sum is σ = 808424904. Its totient is φ = 153985680.

The previous prime is 384964207. The next prime is 384964267. The reversal of 384964220 is 22469483.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9624086 + ... + 9624125.

It is an arithmetic number, because the mean of its divisors is an integer number (67368742).

Almost surely, 2384964220 is an apocalyptic number.

It is an amenable number.

384964220 is an abundant number, since it is smaller than the sum of its proper divisors (423460684).

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

384964220 is a wasteful number, since it uses less digits than its factorization.

384964220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19248220 (or 19248218 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 384964220 is about 19620.5050903385. The cubic root of 384964220 is about 727.4560980896.

The spelling of 384964220 in words is "three hundred eighty-four million, nine hundred sixty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 19248211 38496422 76992844 96241055 192482110 384964220