Base | Representation |
---|---|
bin | 10010100101001… |
… | …10101101010011 |
3 | 101212022010022010 |
4 | 21102212231103 |
5 | 304400401313 |
6 | 23244514003 |
7 | 3601614363 |
oct | 1122465523 |
9 | 355263263 |
10 | 155872083 |
11 | 7aa93004 |
12 | 4424b903 |
13 | 263a6903 |
14 | 169b69a3 |
15 | da3e4c3 |
hex | 94a6b53 |
155872083 has 16 divisors (see below), whose sum is σ = 216642560. Its totient is φ = 99592416.
The previous prime is 155872049. The next prime is 155872109. The reversal of 155872083 is 380278551.
155872083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 155872083 - 214 = 155855699 is a prime.
It is a super-2 number, since 2×1558720832 = 48592212517517778, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (155872043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043 + ... + 17916.
It is an arithmetic number, because the mean of its divisors is an integer number (13540160).
Almost surely, 2155872083 is an apocalyptic number.
155872083 is a deficient number, since it is larger than the sum of its proper divisors (60770477).
155872083 is a wasteful number, since it uses less digits than its factorization.
155872083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21066.
The product of its (nonzero) digits is 67200, while the sum is 39.
The square root of 155872083 is about 12484.8741683687. The cubic root of 155872083 is about 538.1740832798.
The spelling of 155872083 in words is "one hundred fifty-five million, eight hundred seventy-two thousand, eighty-three".
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