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164200351 = 771330383
BaseRepresentation
bin10011100100101…
…11111110011111
3102102222020112111
421302113332133
5314013402401
624143214451
74032452140
oct1162277637
9372866474
10164200351
1184761177
1246ba7427
1328031593
1417b43ac7
15e636e51
hex9c97f9f

164200351 has 8 divisors (see below), whose sum is σ = 190301184. Its totient is φ = 138760440.

The previous prime is 164200327. The next prime is 164200357. The reversal of 164200351 is 153002461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164200351 - 25 = 164200319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164200357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164695 + ... + 165688.

It is an arithmetic number, because the mean of its divisors is an integer number (23787648).

Almost surely, 2164200351 is an apocalyptic number.

164200351 is a deficient number, since it is larger than the sum of its proper divisors (26100833).

164200351 is an equidigital number, since it uses as much as digits as its factorization.

164200351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330461.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 164200351 is about 12814.0684796048. The cubic root of 164200351 is about 547.5931755546.

The spelling of 164200351 in words is "one hundred sixty-four million, two hundred thousand, three hundred fifty-one".

Divisors: 1 7 71 497 330383 2312681 23457193 164200351