Base | Representation |
---|---|
bin | 10010011110111… |
… | …11011110110010 |
3 | 101210202122220200 |
4 | 21033133132302 |
5 | 304143243200 |
6 | 23215220030 |
7 | 3561645312 |
oct | 1117373662 |
9 | 353678820 |
10 | 155056050 |
11 | 7a5859a6 |
12 | 43b17616 |
13 | 2617c356 |
14 | 16843442 |
15 | d92c800 |
hex | 93df7b2 |
155056050 has 54 divisors (see below), whose sum is σ = 417294813. Its totient is φ = 41277840.
The previous prime is 155056039. The next prime is 155056051. The reversal of 155056050 is 50650551.
155056050 is a `hidden beast` number, since 1 + 5 + 50 + 5 + 605 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 151954929 + 3101121 = 12327^2 + 1761^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=8805.
It is not an unprimeable number, because it can be changed into a prime (155056051) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 263857 + ... + 264443.
Almost surely, 2155056050 is an apocalyptic number.
155056050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 155056050
155056050 is an abundant number, since it is smaller than the sum of its proper divisors (262238763).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155056050 is an equidigital number, since it uses as much as digits as its factorization.
155056050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1192 (or 597 counting only the distinct ones).
The product of its (nonzero) digits is 3750, while the sum is 27.
The square root of 155056050 is about 12452.1504166951. The cubic root of 155056050 is about 537.2332767159.
It can be divided in two parts, 1550 and 56050, that added together give a square (57600 = 2402).
The spelling of 155056050 in words is "one hundred fifty-five million, fifty-six thousand, fifty".
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