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213484620 = 223523154699
BaseRepresentation
bin11001011100110…
…00010001001100
3112212201010211210
430232120101030
5414123001440
633103414420
75201406066
oct1456302114
9485633753
10213484620
11aa563178
125b5b4410
13352c8c7b
14204d2736
1513b1ea80
hexcb9844c

213484620 has 48 divisors (see below), whose sum is σ = 623750400. Its totient is φ = 54453696.

The previous prime is 213484603. The next prime is 213484633. The reversal of 213484620 is 26484312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75970 + ... + 78729.

It is an arithmetic number, because the mean of its divisors is an integer number (12994800).

Almost surely, 2213484620 is an apocalyptic number.

213484620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213484620 is an abundant number, since it is smaller than the sum of its proper divisors (410265780).

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

213484620 is a wasteful number, since it uses less digits than its factorization.

213484620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154734 (or 154732 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 213484620 is about 14611.1128939585. The cubic root of 213484620 is about 597.6618446629.

The spelling of 213484620 in words is "two hundred thirteen million, four hundred eighty-four thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 154699 309398 464097 618796 773495 928194 1546990 1856388 2320485 3093980 3558077 4640970 7116154 9281940 10674231 14232308 17790385 21348462 35580770 42696924 53371155 71161540 106742310 213484620