Base | Representation |
---|---|
bin | 111011111001111… |
… | …110100111000111 |
3 | 2121001012001110022 |
4 | 323321332213013 |
5 | 4024243220112 |
6 | 243421445355 |
7 | 33622551530 |
oct | 7371764707 |
9 | 2531161408 |
10 | 1005054407 |
11 | 476366285 |
12 | 24071085b |
13 | 1302b9966 |
14 | 976a5687 |
15 | 5d37dd72 |
hex | 3be7e9c7 |
1005054407 has 8 divisors (see below), whose sum is σ = 1152694656. Its totient is φ = 858429432.
The previous prime is 1005054397. The next prime is 1005054461. The reversal of 1005054407 is 7044505001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1005054407 - 210 = 1005053383 is a prime.
It is a super-2 number, since 2×10050544072 = 2020268722060243298, 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 (1005054707) 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, 251693 + ... + 255654.
It is an arithmetic number, because the mean of its divisors is an integer number (144086832).
Almost surely, 21005054407 is an apocalyptic number.
1005054407 is a deficient number, since it is larger than the sum of its proper divisors (147640249).
1005054407 is an equidigital number, since it uses as much as digits as its factorization.
1005054407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 507637.
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 1005054407 is about 31702.5930642905. The cubic root of 1005054407 is about 1001.6819717184.
Adding to 1005054407 its reverse (7044505001), we get a palindrome (8049559408).
The spelling of 1005054407 in words is "one billion, five million, fifty-four thousand, four hundred seven".
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