Base | Representation |
---|---|
bin | 1100010001000… |
… | …10010100110101 |
3 | 21011121220200211 |
4 | 12020202110311 |
5 | 202320313140 |
6 | 14113305421 |
7 | 2356434022 |
oct | 610422465 |
9 | 234556624 |
10 | 102901045 |
11 | 530a3095 |
12 | 2a565271 |
13 | 1841b0c0 |
14 | d948549 |
15 | 90792ea |
hex | 6222535 |
102901045 has 8 divisors (see below), whose sum is σ = 132979896. Its totient is φ = 75988416.
The previous prime is 102901013. The next prime is 102901049. The reversal of 102901045 is 540109201.
It can be written as a sum of positive squares in 4 ways, for example, as 23726641 + 79174404 = 4871^2 + 8898^2 .
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 102901045 - 25 = 102901013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102901049) by changing a digit.
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, 791482 + ... + 791611.
It is an arithmetic number, because the mean of its divisors is an integer number (16622487).
Almost surely, 2102901045 is an apocalyptic number.
It is an amenable number.
102901045 is a deficient number, since it is larger than the sum of its proper divisors (30078851).
102901045 is a wasteful number, since it uses less digits than its factorization.
102901045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1583111.
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 102901045 is about 10144.0152306668. The cubic root of 102901045 is about 468.6046513502.
The spelling of 102901045 in words is "one hundred two million, nine hundred one thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •