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223030151 = 19312771367
BaseRepresentation
bin11010100101100…
…10101110000111
3120112200002211222
431102302232013
5424043431101
634044150555
75345503451
oct1522625607
9515602758
10223030151
11104992943
126283845b
133728ba06
14218992d1
15148a801b
hexd4b2b87

223030151 has 16 divisors (see below), whose sum is σ = 243394560. Its totient is φ = 203588640.

The previous prime is 223030147. The next prime is 223030153. The reversal of 223030151 is 151030322.

It is a cyclic number.

It is not a de Polignac number, because 223030151 - 22 = 223030147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223030153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162470 + ... + 163836.

It is an arithmetic number, because the mean of its divisors is an integer number (15212160).

Almost surely, 2223030151 is an apocalyptic number.

223030151 is a deficient number, since it is larger than the sum of its proper divisors (20364409).

223030151 is a wasteful number, since it uses less digits than its factorization.

223030151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 223030151 is about 14934.1940190959. The cubic root of 223030151 is about 606.4400284871.

Adding to 223030151 its reverse (151030322), we get a palindrome (374060473).

The spelling of 223030151 in words is "two hundred twenty-three million, thirty thousand, one hundred fifty-one".

Divisors: 1 19 31 277 589 1367 5263 8587 25973 42377 163153 378659 805163 7194521 11738429 223030151