Base | Representation |
---|---|
bin | 10010100011100… |
… | …01101110001010 |
3 | 101211220002120212 |
4 | 21101301232022 |
5 | 304321430200 |
6 | 23240121122 |
7 | 3600021545 |
oct | 1121615612 |
9 | 354802525 |
10 | 155655050 |
11 | 7a954a41 |
12 | 441661a2 |
13 | 2632bba5 |
14 | 1695b85c |
15 | d9ea035 |
hex | 9471b8a |
155655050 has 12 divisors (see below), whose sum is σ = 289518486. Its totient is φ = 62262000.
The previous prime is 155655001. The next prime is 155655091. The reversal of 155655050 is 50556551.
It can be written as a sum of positive squares in 3 ways, for example, as 114425809 + 41229241 = 10697^2 + 6421^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 155654998 and 155655016.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1556501 + ... + 1556600.
Almost surely, 2155655050 is an apocalyptic number.
155655050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
155655050 is a deficient number, since it is larger than the sum of its proper divisors (133863436).
155655050 is a wasteful number, since it uses less digits than its factorization.
155655050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3113113 (or 3113108 counting only the distinct ones).
The product of its (nonzero) digits is 18750, while the sum is 32.
The square root of 155655050 is about 12476.1793029757. The cubic root of 155655050 is about 537.9241865135.
The spelling of 155655050 in words is "one hundred fifty-five million, six hundred fifty-five thousand, fifty".
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