Search a number
-
+
164493610 = 25157104773
BaseRepresentation
bin10011100110111…
…11100100101010
3102110112010210221
421303133210222
5314102243420
624153400254
74035113131
oct1163374452
9373463727
10164493610
1184941536
124710908a
1328104bc8
1417bbc918
15e693caa
hex9cdf92a

164493610 has 16 divisors (see below), whose sum is σ = 297977256. Its totient is φ = 65377728.

The previous prime is 164493587. The next prime is 164493611. The reversal of 164493610 is 16394461.

It can be written as a sum of positive squares in 4 ways, for example, as 151954929 + 12538681 = 12327^2 + 3541^2 .

It is not an unprimeable number, because it can be changed into a prime (164493611) 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, 50817 + ... + 53956.

Almost surely, 2164493610 is an apocalyptic number.

164493610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164493610 is a deficient number, since it is larger than the sum of its proper divisors (133483646).

164493610 is a wasteful number, since it uses less digits than its factorization.

164493610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104937.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 164493610 is about 12825.5062278259. The cubic root of 164493610 is about 547.9189789998.

The spelling of 164493610 in words is "one hundred sixty-four million, four hundred ninety-three thousand, six hundred ten".

Divisors: 1 2 5 10 157 314 785 1570 104773 209546 523865 1047730 16449361 32898722 82246805 164493610