Search a number
-
+
102041045 = 565331253
BaseRepresentation
bin1100001010100…
…00010111010101
321010000012222222
412011100113111
5202110303140
614043032125
72346222521
oct605202725
9233005888
10102041045
1152665a47
122a20b645
13181a9822
14d7a2d81
158e595b5
hex61505d5

102041045 has 8 divisors (see below), whose sum is σ = 122640696. Its totient is φ = 81505216.

The previous prime is 102041029. The next prime is 102041131. The reversal of 102041045 is 540140201.

It can be written as a sum of positive squares in 4 ways, for example, as 5726449 + 96314596 = 2393^2 + 9814^2 .

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 102041045 - 24 = 102041029 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 7 ways as a sum of consecutive naturals, for example, 12362 + ... + 18891.

It is an arithmetic number, because the mean of its divisors is an integer number (15330087).

Almost surely, 2102041045 is an apocalyptic number.

It is an amenable number.

102041045 is a deficient number, since it is larger than the sum of its proper divisors (20599651).

102041045 is an equidigital number, since it uses as much as digits as its factorization.

102041045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31911.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 102041045 is about 10101.5367642750. The cubic root of 102041045 is about 467.2955362390.

Adding to 102041045 its reverse (540140201), we get a palindrome (642181246).

The spelling of 102041045 in words is "one hundred two million, forty-one thousand, forty-five".

Divisors: 1 5 653 3265 31253 156265 20408209 102041045