Search a number
-
+
164840735 = 5371974523
BaseRepresentation
bin10011101001101…
…00010100011111
3102111011202222102
421310310110133
5314144400420
624205035315
74041060143
oct1164642437
9374152872
10164840735
1185059314
1247255b3b
13281c6bc7
1417c6d223
15e711a75
hex9d3451f

164840735 has 16 divisors (see below), whose sum is σ = 204231456. Its totient is φ = 127628928.

The previous prime is 164840723. The next prime is 164840777. The reversal of 164840735 is 537048461.

It is a cyclic number.

It is not a de Polignac number, because 164840735 - 220 = 163792159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34184 + ... + 38706.

It is an arithmetic number, because the mean of its divisors is an integer number (12764466).

Almost surely, 2164840735 is an apocalyptic number.

164840735 is a deficient number, since it is larger than the sum of its proper divisors (39390721).

164840735 is a wasteful number, since it uses less digits than its factorization.

164840735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 164840735 is about 12839.0317002490. The cubic root of 164840735 is about 548.3041261675.

The spelling of 164840735 in words is "one hundred sixty-four million, eight hundred forty thousand, seven hundred thirty-five".

Divisors: 1 5 37 185 197 985 4523 7289 22615 36445 167351 836755 891031 4455155 32968147 164840735