Search a number
-
+
102164605 = 547434743
BaseRepresentation
bin1100001011011…
…10100001111101
321010020111111021
412011232201331
5202123231410
614045424141
72350245664
oct605564175
9233214437
10102164605
115273a864
122a26b051
1318220b3a
14d7d5ddb
158e80eda
hex616e87d

102164605 has 8 divisors (see below), whose sum is σ = 125206272. Its totient is φ = 79992528.

The previous prime is 102164581. The next prime is 102164609. The reversal of 102164605 is 506461201.

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 102164605 - 213 = 102156413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102164605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102164609) 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, 217137 + ... + 217606.

It is an arithmetic number, because the mean of its divisors is an integer number (15650784).

Almost surely, 2102164605 is an apocalyptic number.

It is an amenable number.

102164605 is a deficient number, since it is larger than the sum of its proper divisors (23041667).

102164605 is an equidigital number, since it uses as much as digits as its factorization.

102164605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434795.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102164605 is about 10107.6508151004. The cubic root of 102164605 is about 467.4840739234.

The spelling of 102164605 in words is "one hundred two million, one hundred sixty-four thousand, six hundred five".

Divisors: 1 5 47 235 434743 2173715 20432921 102164605