Base | Representation |
---|---|
bin | 110110001001010… |
… | …110101110000100 |
3 | 2100022100121202000 |
4 | 312021112232010 |
5 | 3330024001040 |
6 | 230050345300 |
7 | 31340313462 |
oct | 6611265604 |
9 | 2308317660 |
10 | 908422020 |
11 | 426864a00 |
12 | 21428b230 |
13 | 116284c2c |
14 | 8890d832 |
15 | 54b42130 |
hex | 36256b84 |
908422020 has 144 divisors (see below), whose sum is σ = 3106709760. Its totient is φ = 220207680.
The previous prime is 908422019. The next prime is 908422043. The reversal of 908422020 is 20224809.
It is a super-4 number, since 4×9084220204 (a number of 37 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58389 + ... + 72291.
Almost surely, 2908422020 is an apocalyptic number.
908422020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 908422020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553354880).
908422020 is an abundant number, since it is smaller than the sum of its proper divisors (2198287740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
908422020 is a wasteful number, since it uses less digits than its factorization.
908422020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13943 (or 13924 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 908422020 is about 30140.0401459587. The cubic root of 908422020 is about 968.4916579527.
Adding to 908422020 its reverse (20224809), we get a palindrome (928646829).
The spelling of 908422020 in words is "nine hundred eight million, four hundred twenty-two thousand, twenty".
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