Search a number
-
+
164220283 = 6710722907
BaseRepresentation
bin10011100100111…
…00110101111011
3102110000020212201
421302130311323
5314020022113
624143451031
74032564223
oct1162346573
9373006781
10164220283
1184775147
1246bb6a77
132803a686
1417b4b083
15e63ccdd
hex9c9cd7b

164220283 has 8 divisors (see below), whose sum is σ = 168236352. Its totient is φ = 160250376.

The previous prime is 164220269. The next prime is 164220307. The reversal of 164220283 is 382022461.

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 164220283 - 29 = 164219771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164220883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285 + ... + 18622.

It is an arithmetic number, because the mean of its divisors is an integer number (21029544).

Almost surely, 2164220283 is an apocalyptic number.

164220283 is a deficient number, since it is larger than the sum of its proper divisors (4016069).

164220283 is a wasteful number, since it uses less digits than its factorization.

164220283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23081.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 164220283 is about 12814.8461949412. The cubic root of 164220283 is about 547.6153317914.

The spelling of 164220283 in words is "one hundred sixty-four million, two hundred twenty thousand, two hundred eighty-three".

Divisors: 1 67 107 7169 22907 1534769 2451049 164220283