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164205263 = 4717531993
BaseRepresentation
bin10011100100110…
…01001011001111
3102102222111021102
421302121023033
5314014032023
624143253315
74032502355
oct1162311317
9372874242
10164205263
1184764932
1246baa23b
13280338a1
1417b457d5
15e638628
hex9c992cf

164205263 has 8 divisors (see below), whose sum is σ = 167878848. Its totient is φ = 160539264.

The previous prime is 164205259. The next prime is 164205269. The reversal of 164205263 is 362502461.

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

It is a cyclic number.

It is not a de Polignac number, because 164205263 - 22 = 164205259 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 (164205269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81395 + ... + 83387.

It is an arithmetic number, because the mean of its divisors is an integer number (20984856).

Almost surely, 2164205263 is an apocalyptic number.

164205263 is a deficient number, since it is larger than the sum of its proper divisors (3673585).

164205263 is a wasteful number, since it uses less digits than its factorization.

164205263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164205263 is about 12814.2601425131. The cubic root of 164205263 is about 547.5986358573.

The spelling of 164205263 in words is "one hundred sixty-four million, two hundred five thousand, two hundred sixty-three".

Divisors: 1 47 1753 1993 82391 93671 3493729 164205263