Base | Representation |
---|---|
bin | 1110100100101… |
… | …01011110000101 |
3 | 22112000210102100 |
4 | 13102111132011 |
5 | 222243401140 |
6 | 20044102313 |
7 | 3013040244 |
oct | 722253605 |
9 | 275023370 |
10 | 122247045 |
11 | 63007018 |
12 | 34b34999 |
13 | 1c43293b |
14 | 1234295b |
15 | aaeb530 |
hex | 7495785 |
122247045 has 24 divisors (see below), whose sum is σ = 223048800. Its totient is φ = 61766496.
The previous prime is 122247031. The next prime is 122247053. The reversal of 122247045 is 540742221.
It is not a de Polignac number, because 122247045 - 222 = 118052741 is a prime.
It is a super-2 number, since 2×1222470452 = 29888680022464050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70635 + ... + 72344.
It is an arithmetic number, because the mean of its divisors is an integer number (9293700).
Almost surely, 2122247045 is an apocalyptic number.
122247045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122247045 is a deficient number, since it is larger than the sum of its proper divisors (100801755).
122247045 is a wasteful number, since it uses less digits than its factorization.
122247045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143009 (or 143006 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 122247045 is about 11056.5385632213. The cubic root of 122247045 is about 496.3021120038.
Adding to 122247045 its reverse (540742221), we get a palindrome (662989266).
The spelling of 122247045 in words is "one hundred twenty-two million, two hundred forty-seven thousand, forty-five".
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