Base | Representation |
---|---|
bin | 1010110010010… |
… | …00100110010101 |
3 | 20022020121020021 |
4 | 11121020212111 |
5 | 141130144101 |
6 | 12551105141 |
7 | 2146011136 |
oct | 531104625 |
9 | 208217207 |
10 | 90474901 |
11 | 47086150 |
12 | 263721b1 |
13 | 1598a15a |
14 | c031c8d |
15 | 7e225a1 |
hex | 5648995 |
90474901 has 16 divisors (see below), whose sum is σ = 105046848. Its totient is φ = 77011200.
The previous prime is 90474889. The next prime is 90474911. The reversal of 90474901 is 10947409.
It is a cyclic number.
It is not a de Polignac number, because 90474901 - 211 = 90472853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90474911) 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, 38311 + ... + 40603.
It is an arithmetic number, because the mean of its divisors is an integer number (6565428).
Almost surely, 290474901 is an apocalyptic number.
It is an amenable number.
90474901 is a deficient number, since it is larger than the sum of its proper divisors (14571947).
90474901 is a wasteful number, since it uses less digits than its factorization.
90474901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2532.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 90474901 is about 9511.8295295910. The cubic root of 90474901 is about 448.9273232534.
The spelling of 90474901 in words is "ninety million, four hundred seventy-four thousand, nine hundred one".
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