Base | Representation |
---|---|
bin | 101010001000010110… |
… | …0100010000010010001 |
3 | 22122112022120212022222 |
4 | 1110100230202002101 |
5 | 2440242423004132 |
6 | 105321404510425 |
7 | 6352016621201 |
oct | 1242054420221 |
9 | 278468525288 |
10 | 90474422417 |
11 | 354084a8735 |
12 | 1564b84b415 |
13 | 86bb1c02c2 |
14 | 4543d16401 |
15 | 2547d41412 |
hex | 1510b22091 |
90474422417 has 8 divisors (see below), whose sum is σ = 92408083200. Its totient is φ = 88541123104.
The previous prime is 90474422411. The next prime is 90474422419. The reversal of 90474422417 is 71422447409.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90474422417 - 228 = 90205986961 is a prime.
It is a super-2 number, since 2×904744224172 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90474422411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449684 + ... + 619002.
It is an arithmetic number, because the mean of its divisors is an integer number (11551010400).
Almost surely, 290474422417 is an apocalyptic number.
It is an amenable number.
90474422417 is a deficient number, since it is larger than the sum of its proper divisors (1933660783).
90474422417 is a wasteful number, since it uses less digits than its factorization.
90474422417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180735.
The product of its (nonzero) digits is 451584, while the sum is 44.
The spelling of 90474422417 in words is "ninety billion, four hundred seventy-four million, four hundred twenty-two thousand, four hundred seventeen".
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