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223482213 = 338277119
BaseRepresentation
bin11010101001000…
…01000101100101
3120120112001222000
431110201011211
5424202412323
634101555513
75352365433
oct1524410545
9516461860
10223482213
11105171549
1262a15b99
13373b96c6
1421975d53
1514946e43
hexd521165

223482213 has 8 divisors (see below), whose sum is σ = 331084800. Its totient is φ = 148988124.

The previous prime is 223482157. The next prime is 223482251. The reversal of 223482213 is 312284322.

It is not a de Polignac number, because 223482213 - 28 = 223481957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8277119 = 223482213 / (2 + 2 + 3 + 4 + 8 + 2 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223482253) 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, 4138533 + ... + 4138586.

It is an arithmetic number, because the mean of its divisors is an integer number (41385600).

Almost surely, 2223482213 is an apocalyptic number.

It is an amenable number.

223482213 is a deficient number, since it is larger than the sum of its proper divisors (107602587).

223482213 is an equidigital number, since it uses as much as digits as its factorization.

223482213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277128 (or 8277122 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 223482213 is about 14949.3214896195. The cubic root of 223482213 is about 606.8494850478.

The spelling of 223482213 in words is "two hundred twenty-three million, four hundred eighty-two thousand, two hundred thirteen".

Divisors: 1 3 9 27 8277119 24831357 74494071 223482213