Base | Representation |
---|---|
bin | 10101010011011… |
… | …101010000011101 |
3 | 220220112220221220 |
4 | 111103131100131 |
5 | 1213000001414 |
6 | 55244443553 |
7 | 11600015652 |
oct | 2523352035 |
9 | 826486856 |
10 | 357422109 |
11 | 173834580 |
12 | 9b8495b9 |
13 | 59084595 |
14 | 3567dc29 |
15 | 215a2ca9 |
hex | 154dd41d |
357422109 has 32 divisors (see below), whose sum is σ = 536985600. Its totient is φ = 209563200.
The previous prime is 357422099. The next prime is 357422113. The reversal of 357422109 is 901224753.
It is not a de Polignac number, because 357422109 - 28 = 357421853 is a prime.
It is a super-4 number, since 4×3574221094 (a number of 35 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a self number, because there is not a number n which added to its sum of digits gives 357422109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (357422609) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242244 + ... + 243714.
It is an arithmetic number, because the mean of its divisors is an integer number (16780800).
Almost surely, 2357422109 is an apocalyptic number.
It is an amenable number.
357422109 is a deficient number, since it is larger than the sum of its proper divisors (179563491).
357422109 is a wasteful number, since it uses less digits than its factorization.
357422109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1721.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 357422109 is about 18905.6105164578. The cubic root of 357422109 is about 709.6765762280.
The spelling of 357422109 in words is "three hundred fifty-seven million, four hundred twenty-two thousand, one hundred nine".
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