Base | Representation |
---|---|
bin | 1000011011110… |
… | …01111011111010 |
3 | 11221010200022002 |
4 | 10031321323322 |
5 | 121103112132 |
6 | 11004301002 |
7 | 1516254002 |
oct | 415717372 |
9 | 157120262 |
10 | 70754042 |
11 | 36a36617 |
12 | 1b841762 |
13 | 11873ac8 |
14 | 957b002 |
15 | 6329262 |
hex | 4379efa |
70754042 has 4 divisors (see below), whose sum is σ = 106131066. Its totient is φ = 35377020.
The previous prime is 70754041. The next prime is 70754053. The reversal of 70754042 is 24045707.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24045707 = 7 ⋅3435101.
It can be written as a sum of positive squares in only one way, i.e., 70576801 + 177241 = 8401^2 + 421^2 .
It is a super-2 number, since 2×707540422 = 10012268918675528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 70753996 and 70754014.
It is not an unprimeable number, because it can be changed into a prime (70754041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17688509 + ... + 17688512.
Almost surely, 270754042 is an apocalyptic number.
70754042 is a deficient number, since it is larger than the sum of its proper divisors (35377024).
70754042 is a wasteful number, since it uses less digits than its factorization.
70754042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35377023.
The product of its (nonzero) digits is 7840, while the sum is 29.
The square root of 70754042 is about 8411.5421891589. The cubic root of 70754042 is about 413.6030680983.
Adding to 70754042 its reverse (24045707), we get a palindrome (94799749).
The spelling of 70754042 in words is "seventy million, seven hundred fifty-four thousand, forty-two".
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