Base | Representation |
---|---|
bin | 1010110101111… |
… | …01111010001001 |
3 | 20100011000100120 |
4 | 11122331322021 |
5 | 141241033101 |
6 | 13005253453 |
7 | 2153052045 |
oct | 532757211 |
9 | 210130316 |
10 | 90955401 |
11 | 47384159 |
12 | 26564289 |
13 | 15ac7a84 |
14 | c119025 |
15 | 7eb9b36 |
hex | 56bde89 |
90955401 has 4 divisors (see below), whose sum is σ = 121273872. Its totient is φ = 60636932.
The previous prime is 90955399. The next prime is 90955421. The reversal of 90955401 is 10455909.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 90955401 - 21 = 90955399 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90955421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15159231 + ... + 15159236.
It is an arithmetic number, because the mean of its divisors is an integer number (30318468).
Almost surely, 290955401 is an apocalyptic number.
It is an amenable number.
90955401 is a deficient number, since it is larger than the sum of its proper divisors (30318471).
90955401 is a wasteful number, since it uses less digits than its factorization.
90955401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30318470.
The product of its (nonzero) digits is 8100, while the sum is 33.
The square root of 90955401 is about 9537.0541049110. The cubic root of 90955401 is about 449.7206513146.
The spelling of 90955401 in words is "ninety million, nine hundred fifty-five thousand, four hundred one".
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