Base | Representation |
---|---|
bin | 101001111100100… |
… | …1000000100111101 |
3 | 10122002102121101020 |
4 | 1103321020010331 |
5 | 10340303443341 |
6 | 351355134353 |
7 | 46610263353 |
oct | 12371100475 |
9 | 3562377336 |
10 | 1407484221 |
11 | 662540800 |
12 | 3334443b9 |
13 | 19579c200 |
14 | d4cdd7d3 |
15 | 83872566 |
hex | 53e4813d |
1407484221 has 36 divisors (see below), whose sum is σ = 2233736064. Its totient is φ = 787369440.
The previous prime is 1407484189. The next prime is 1407484229. The reversal of 1407484221 is 1224847041.
It is not a de Polignac number, because 1407484221 - 25 = 1407484189 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1407484229) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49876 + ... + 72818.
It is an arithmetic number, because the mean of its divisors is an integer number (62048224).
Almost surely, 21407484221 is an apocalyptic number.
1407484221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1407484221 is a deficient number, since it is larger than the sum of its proper divisors (826251843).
1407484221 is a wasteful number, since it uses less digits than its factorization.
1407484221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22994 (or 22970 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 1407484221 is about 37516.4526707950. The cubic root of 1407484221 is about 1120.6788563576.
The spelling of 1407484221 in words is "one billion, four hundred seven million, four hundred eighty-four thousand, two hundred twenty-one".
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