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199258213 = 71110923741
BaseRepresentation
bin10111110000001…
…11000001100101
3111212221100212211
423320013001211
5402002230323
631434443421
74636444510
oct1370070145
9455840784
10199258213
11a2526710
1256893571
133238778b
141c66bd77
151275e70d
hexbe07065

199258213 has 16 divisors (see below), whose sum is σ = 250715520. Its totient is φ = 153835200.

The previous prime is 199258151. The next prime is 199258231. The reversal of 199258213 is 312852991.

It is a cyclic number.

It is not a de Polignac number, because 199258213 - 29 = 199257701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199258243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3478 + ... + 20263.

It is an arithmetic number, because the mean of its divisors is an integer number (15669720).

Almost surely, 2199258213 is an apocalyptic number.

It is an amenable number.

199258213 is a deficient number, since it is larger than the sum of its proper divisors (51457307).

199258213 is a wasteful number, since it uses less digits than its factorization.

199258213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23868.

The product of its digits is 38880, while the sum is 40.

The square root of 199258213 is about 14115.8851298812. The cubic root of 199258213 is about 584.0796524949.

The spelling of 199258213 in words is "one hundred ninety-nine million, two hundred fifty-eight thousand, two hundred thirteen".

Divisors: 1 7 11 77 109 763 1199 8393 23741 166187 261151 1828057 2587769 18114383 28465459 199258213