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105241093 = 5312131637
BaseRepresentation
bin1100100010111…
…01101000000101
321100000210122021
412101131220011
5203420203333
614235403141
72415351226
oct621355005
9240023567
10105241093
1154451211
122b2b34b1
1318a5a249
14dd9724d
15938c82d
hex645da05

105241093 has 8 divisors (see below), whose sum is σ = 107380728. Its totient is φ = 103107264.

The previous prime is 105241079. The next prime is 105241109. The reversal of 105241093 is 390142501.

It can be written as a sum of positive squares in 4 ways, for example, as 833569 + 104407524 = 913^2 + 10218^2 .

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 105241093 - 213 = 105232901 is a prime.

It is a super-2 number, since 2×1052410932 = 22151375311669298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105281093) 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, 63471 + ... + 65107.

It is an arithmetic number, because the mean of its divisors is an integer number (13422591).

Almost surely, 2105241093 is an apocalyptic number.

It is an amenable number.

105241093 is a deficient number, since it is larger than the sum of its proper divisors (2139635).

105241093 is a wasteful number, since it uses less digits than its factorization.

105241093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 105241093 is about 10258.7081545388. The cubic root of 105241093 is about 472.1302023378.

Adding to 105241093 its reverse (390142501), we get a palindrome (495383594).

The spelling of 105241093 in words is "one hundred five million, two hundred forty-one thousand, ninety-three".

Divisors: 1 53 1213 1637 64289 86761 1985681 105241093