Base | Representation |
---|---|
bin | 1000010110111… |
… | …11101111101000 |
3 | 11212221120221121 |
4 | 10023133233220 |
5 | 120422404342 |
6 | 10542545024 |
7 | 1511013460 |
oct | 413375750 |
9 | 155846847 |
10 | 70122472 |
11 | 36645062 |
12 | 1b598174 |
13 | 116b24b4 |
14 | 9454ba0 |
15 | 6252067 |
hex | 42dfbe8 |
70122472 has 16 divisors (see below), whose sum is σ = 150262560. Its totient is φ = 30052464.
The previous prime is 70122463. The next prime is 70122517. The reversal of 70122472 is 27422107.
It is a super-2 number, since 2×701224722 = 9834322158781568, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626038 + ... + 626149.
It is an arithmetic number, because the mean of its divisors is an integer number (9391410).
Almost surely, 270122472 is an apocalyptic number.
It is an amenable number.
70122472 is an abundant number, since it is smaller than the sum of its proper divisors (80140088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70122472 is a wasteful number, since it uses less digits than its factorization.
70122472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1252200 (or 1252196 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 70122472 is about 8373.9161686752. The cubic root of 70122472 is about 412.3687433016.
Adding to 70122472 its reverse (27422107), we get a palindrome (97544579).
The spelling of 70122472 in words is "seventy million, one hundred twenty-two thousand, four hundred seventy-two".
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