Search a number
-
+
163078964 = 22197206953
BaseRepresentation
bin10011011100001…
…10001100110100
3102100212021021122
421232012030310
5313222011324
624103203112
74020101606
oct1156061464
9370767248
10163078964
1184065704
1246746498
1327a2b039
1417931176
15e4b4a5e
hex9b86334

163078964 has 12 divisors (see below), whose sum is σ = 286838244. Its totient is φ = 81125184.

The previous prime is 163078961. The next prime is 163078991. The reversal of 163078964 is 469870361.

It can be written as a sum of positive squares in 2 ways, for example, as 83868964 + 79210000 = 9158^2 + 8900^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163078961) 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 3 ways as a sum of consecutive naturals, for example, 102689 + ... + 104264.

It is an arithmetic number, because the mean of its divisors is an integer number (23903187).

Almost surely, 2163078964 is an apocalyptic number.

It is an amenable number.

163078964 is a deficient number, since it is larger than the sum of its proper divisors (123759280).

163078964 is a wasteful number, since it uses less digits than its factorization.

163078964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207154 (or 207152 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 163078964 is about 12770.2374292728. The cubic root of 163078964 is about 546.3437525480.

The spelling of 163078964 in words is "one hundred sixty-three million, seventy-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 197 394 788 206953 413906 827812 40769741 81539482 163078964