Base | Representation |
---|---|
bin | 101110010101111… |
… | …1100010011000001 |
3 | 11000101001100120222 |
4 | 1130223330103001 |
5 | 11141041214131 |
6 | 414145312425 |
7 | 53351322605 |
oct | 13453742301 |
9 | 4011040528 |
10 | 1555023041 |
11 | 728851910 |
12 | 374935715 |
13 | 1ba218aa0 |
14 | 10a747505 |
15 | 917b787b |
hex | 5cafc4c1 |
1555023041 has 32 divisors (see below), whose sum is σ = 1878629760. Its totient is φ = 1268467200.
The previous prime is 1555023037. The next prime is 1555023049. The reversal of 1555023041 is 1403205551.
It is not a de Polignac number, because 1555023041 - 22 = 1555023037 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1555023041.
It is not an unprimeable number, because it can be changed into a prime (1555023049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775346 + ... + 777348.
It is an arithmetic number, because the mean of its divisors is an integer number (58707180).
Almost surely, 21555023041 is an apocalyptic number.
1555023041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1555023041 is a deficient number, since it is larger than the sum of its proper divisors (323606719).
1555023041 is a wasteful number, since it uses less digits than its factorization.
1555023041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2177.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 1555023041 is about 39433.7804553406. The cubic root of 1555023041 is about 1158.5433164350.
Adding to 1555023041 its reverse (1403205551), we get a palindrome (2958228592).
The spelling of 1555023041 in words is "one billion, five hundred fifty-five million, twenty-three thousand, forty-one".
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