Base | Representation |
---|---|
bin | 1010110010101… |
… | …01010011111110 |
3 | 20022100020122220 |
4 | 11121111103332 |
5 | 141133330344 |
6 | 12552150210 |
7 | 2146316016 |
oct | 531252376 |
9 | 208306586 |
10 | 90526974 |
11 | 4711128a |
12 | 26398366 |
13 | 159a7a75 |
14 | c046c46 |
15 | 7e32c19 |
hex | 56554fe |
90526974 has 16 divisors (see below), whose sum is σ = 181274112. Its totient is φ = 30138968.
The previous prime is 90526939. The next prime is 90526979. The reversal of 90526974 is 47962509.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90526979) 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, 3564 + ... + 13919.
It is an arithmetic number, because the mean of its divisors is an integer number (11329632).
Almost surely, 290526974 is an apocalyptic number.
90526974 is an abundant number, since it is smaller than the sum of its proper divisors (90747138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90526974 is a wasteful number, since it uses less digits than its factorization.
90526974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18351.
The product of its (nonzero) digits is 136080, while the sum is 42.
The square root of 90526974 is about 9514.5664115607. The cubic root of 90526974 is about 449.0134337246.
The spelling of 90526974 in words is "ninety million, five hundred twenty-six thousand, nine hundred seventy-four".
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