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213474216 = 23319934463
BaseRepresentation
bin11001011100101…
…01101110101000
3112212200121120110
430232111232220
5414122133331
633103254320
75201333544
oct1456255650
9485617513
10213474216
11aa55637a
125b5aa3a0
13352c4307
14204cca24
1513b1b946
hexcb95ba8

213474216 has 32 divisors (see below), whose sum is σ = 534072960. Its totient is φ = 71106432.

The previous prime is 213474203. The next prime is 213474259. The reversal of 213474216 is 612474312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45601 + ... + 50063.

It is an arithmetic number, because the mean of its divisors is an integer number (16689780).

Almost surely, 2213474216 is an apocalyptic number.

It is an amenable number.

213474216 is an abundant number, since it is smaller than the sum of its proper divisors (320598744).

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

213474216 is a wasteful number, since it uses less digits than its factorization.

213474216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465 (or 6461 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 213474216 is about 14610.7568592459. The cubic root of 213474216 is about 597.6521356499.

The spelling of 213474216 in words is "two hundred thirteen million, four hundred seventy-four thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 1993 3986 4463 5979 7972 8926 11958 13389 15944 17852 23916 26778 35704 47832 53556 107112 8894759 17789518 26684277 35579036 53368554 71158072 106737108 213474216