Base | Representation |
---|---|
bin | 111110111001011… |
… | …000101101011111 |
3 | 2201112121021112210 |
4 | 332321120231133 |
5 | 4130114341230 |
6 | 252413131503 |
7 | 35102212452 |
oct | 7671305537 |
9 | 2645537483 |
10 | 1055230815 |
11 | 4a1717591 |
12 | 255489b93 |
13 | 13a807442 |
14 | a0207499 |
15 | 62990eb0 |
hex | 3ee58b5f |
1055230815 has 8 divisors (see below), whose sum is σ = 1688369328. Its totient is φ = 562789760.
The previous prime is 1055230811. The next prime is 1055230829. The reversal of 1055230815 is 5180325501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1055230815 - 22 = 1055230811 is a prime.
It is a super-2 number, since 2×10552308152 = 2227024145851128450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1055230811) 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, 35174346 + ... + 35174375.
It is an arithmetic number, because the mean of its divisors is an integer number (211046166).
Almost surely, 21055230815 is an apocalyptic number.
1055230815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1055230815 is a deficient number, since it is larger than the sum of its proper divisors (633138513).
1055230815 is an equidigital number, since it uses as much as digits as its factorization.
1055230815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70348729.
The product of its (nonzero) digits is 6000, while the sum is 30.
The square root of 1055230815 is about 32484.3164465562. The cubic root of 1055230815 is about 1018.0813654098.
The spelling of 1055230815 in words is "one billion, fifty-five million, two hundred thirty thousand, eight hundred fifteen".
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