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342102213 = 32611394483
BaseRepresentation
bin10100011001000…
…001000011000101
3212211201121000100
4110121001003011
51200034232323
653540234313
711322551355
oct2431010305
9784647010
10342102213
11166120502
129669b999
1355b4c45b
1433612b65
1520078943
hex146410c5

342102213 has 24 divisors (see below), whose sum is σ = 505974560. Its totient is φ = 222665760.

The previous prime is 342102199. The next prime is 342102263. The reversal of 342102213 is 312201243.

It is not a de Polignac number, because 342102213 - 24 = 342102197 is a prime.

It is a super-3 number, since 3×3421022133 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342102263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74070 + ... + 78552.

Almost surely, 2342102213 is an apocalyptic number.

It is an amenable number.

342102213 is a deficient number, since it is larger than the sum of its proper divisors (163872347).

342102213 is a wasteful number, since it uses less digits than its factorization.

342102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4686 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 342102213 is about 18496.0053254750. The cubic root of 342102213 is about 699.3887269070.

Adding to 342102213 its reverse (312201243), we get a palindrome (654303456).

The spelling of 342102213 in words is "three hundred forty-two million, one hundred two thousand, two hundred thirteen".

Divisors: 1 3 9 61 139 183 417 549 1251 4483 8479 13449 25437 40347 76311 273463 623137 820389 1869411 2461167 5608233 38011357 114034071 342102213