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213448342 = 21038231259
BaseRepresentation
bin11001011100011…
…11011010010110
3112212122022002011
430232033122112
5414120321332
633102534434
75201165242
oct1456173226
9485568064
10213448342
11aa538998
125b59741a
13352b55c3
14204c3422
1513b13e47
hexcb8f696

213448342 has 16 divisors (see below), whose sum is σ = 323930880. Its totient is φ = 105475752.

The previous prime is 213448321. The next prime is 213448369. The reversal of 213448342 is 243844312.

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 7 ways as a sum of consecutive naturals, for example, 168909 + ... + 170167.

It is an arithmetic number, because the mean of its divisors is an integer number (20245680).

Almost surely, 2213448342 is an apocalyptic number.

213448342 is a deficient number, since it is larger than the sum of its proper divisors (110482538).

213448342 is a wasteful number, since it uses less digits than its factorization.

213448342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187.

The product of its digits is 18432, while the sum is 31.

The square root of 213448342 is about 14609.8713888932. The cubic root of 213448342 is about 597.6279886648.

The spelling of 213448342 in words is "two hundred thirteen million, four hundred forty-eight thousand, three hundred forty-two".

Divisors: 1 2 103 206 823 1259 1646 2518 84769 129677 169538 259354 1036157 2072314 106724171 213448342