Base | Representation |
---|---|
bin | 1011110111011… |
… | …1000011000010 |
3 | 10110122121112220 |
4 | 2331313003002 |
5 | 100220130230 |
6 | 4534431510 |
7 | 1143021024 |
oct | 275670302 |
9 | 113577486 |
10 | 49770690 |
11 | 26104502 |
12 | 14802596 |
13 | a407c18 |
14 | 6878014 |
15 | 4581d10 |
hex | 2f770c2 |
49770690 has 32 divisors (see below), whose sum is σ = 125737920. Its totient is φ = 12573504.
The previous prime is 49770653. The next prime is 49770703. The reversal of 49770690 is 9607794.
It is a super-2 number, since 2×497706902 = 4954243166152200, which contains 22 as substring.
It is a Curzon 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, 43089 + ... + 44228.
It is an arithmetic number, because the mean of its divisors is an integer number (3929310).
Almost surely, 249770690 is an apocalyptic number.
49770690 is an abundant number, since it is smaller than the sum of its proper divisors (75967230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49770690 is a wasteful number, since it uses less digits than its factorization.
49770690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87346.
The product of its (nonzero) digits is 95256, while the sum is 42.
The square root of 49770690 is about 7054.8345125878. The cubic root of 49770690 is about 367.8390965208.
The spelling of 49770690 in words is "forty-nine million, seven hundred seventy thousand, six hundred ninety".
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