Search a number
-
+
169090465 = 5103328331
BaseRepresentation
bin10100001010000…
…01110110100001
3102210011200111211
422011001312201
5321241343330
624440110121
74122150055
oct1205016641
9383150454
10169090465
11874a1195
1248765341
132905433b
1418657c65
15eca0d2a
hexa141da1

169090465 has 8 divisors (see below), whose sum is σ = 204879168. Its totient is φ = 133958640.

The previous prime is 169090451. The next prime is 169090489. The reversal of 169090465 is 564090961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 169090465 - 25 = 169090433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163651 + ... + 164680.

It is an arithmetic number, because the mean of its divisors is an integer number (25609896).

Almost surely, 2169090465 is an apocalyptic number.

It is an amenable number.

169090465 is a deficient number, since it is larger than the sum of its proper divisors (35788703).

169090465 is a wasteful number, since it uses less digits than its factorization.

169090465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328439.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 169090465 is about 13003.4789575713. The cubic root of 169090465 is about 552.9761147792.

The spelling of 169090465 in words is "one hundred sixty-nine million, ninety thousand, four hundred sixty-five".

Divisors: 1 5 103 515 328331 1641655 33818093 169090465