Base | Representation |
---|---|
bin | 100100010111110… |
… | …0000101001011101 |
3 | 10011001102110100012 |
4 | 1020233200221131 |
5 | 4444411222140 |
6 | 321033413005 |
7 | 42146230304 |
oct | 11057405135 |
9 | 3131373305 |
10 | 1220414045 |
11 | 57698a154 |
12 | 2a086a165 |
13 | 165ac11b6 |
14 | b812543b |
15 | 7221e265 |
hex | 48be0a5d |
1220414045 has 16 divisors (see below), whose sum is σ = 1534315008. Its totient is φ = 930726720.
The previous prime is 1220414029. The next prime is 1220414053. The reversal of 1220414045 is 5404140221.
It is not a de Polignac number, because 1220414045 - 24 = 1220414029 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1220414045.
It is a congruent 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, 48374 + ... + 69143.
It is an arithmetic number, because the mean of its divisors is an integer number (95894688).
Almost surely, 21220414045 is an apocalyptic number.
It is an amenable number.
1220414045 is a deficient number, since it is larger than the sum of its proper divisors (313900963).
1220414045 is a wasteful number, since it uses less digits than its factorization.
1220414045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117620.
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 1220414045 is about 34934.4249272834. The cubic root of 1220414045 is about 1068.6505960920.
Adding to 1220414045 its reverse (5404140221), we get a palindrome (6624554266).
The spelling of 1220414045 in words is "one billion, two hundred twenty million, four hundred fourteen thousand, forty-five".
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