Base | Representation |
---|---|
bin | 1001110001010… |
… | …1000111111110 |
3 | 2212010001100110 |
4 | 2130111013332 |
5 | 40442342430 |
6 | 4022210450 |
7 | 1005222051 |
oct | 234250776 |
9 | 85101313 |
10 | 40980990 |
11 | 21150696 |
12 | 11883a26 |
13 | 864b20b |
14 | 562aa98 |
15 | 38e77b0 |
hex | 27151fe |
40980990 has 32 divisors (see below), whose sum is σ = 98542080. Its totient is φ = 10907424.
The previous prime is 40980949. The next prime is 40981007. The reversal of 40980990 is 9908904.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20871 + ... + 22749.
It is an arithmetic number, because the mean of its divisors is an integer number (3079440).
Almost surely, 240980990 is an apocalyptic number.
40980990 is an abundant number, since it is smaller than the sum of its proper divisors (57561090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40980990 is a wasteful number, since it uses less digits than its factorization.
40980990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2616.
The product of its (nonzero) digits is 23328, while the sum is 39.
The square root of 40980990 is about 6401.6396337188. The cubic root of 40980990 is about 344.7684226209.
The spelling of 40980990 in words is "forty million, nine hundred eighty thousand, nine hundred ninety".
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