Base | Representation |
---|---|
bin | 101100111010011… |
… | …1100010010010000 |
3 | 10220000210002211101 |
4 | 1121310330102100 |
5 | 11041301110030 |
6 | 405313154144 |
7 | 52226501434 |
oct | 13164742220 |
9 | 3800702741 |
10 | 1507050640 |
11 | 7037664a7 |
12 | 36085b954 |
13 | 1b02c0554 |
14 | 10421a9c4 |
15 | 8c48d7ca |
hex | 59d3c490 |
1507050640 has 40 divisors (see below), whose sum is σ = 3510400320. Its totient is φ = 601700736.
The previous prime is 1507050581. The next prime is 1507050641. The reversal of 1507050640 is 460507051.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 1507050599 and 1507050608.
It is not an unprimeable number, because it can be changed into a prime (1507050641) 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, 26541 + ... + 60979.
It is an arithmetic number, because the mean of its divisors is an integer number (87760008).
Almost surely, 21507050640 is an apocalyptic number.
1507050640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1507050640 is an abundant number, since it is smaller than the sum of its proper divisors (2003349680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1507050640 is a wasteful number, since it uses less digits than its factorization.
1507050640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34999 (or 34993 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 1507050640 is about 38820.7501215523. The cubic root of 1507050640 is about 1146.5049881715.
Adding to 1507050640 its reverse (460507051), we get a palindrome (1967557691).
The spelling of 1507050640 in words is "one billion, five hundred seven million, fifty thousand, six hundred forty".
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