Base | Representation |
---|---|
bin | 1000011100010… |
… | …00010001000101 |
3 | 11221020122211010 |
4 | 10032020101011 |
5 | 121112001431 |
6 | 11005432433 |
7 | 1516620066 |
oct | 416102105 |
9 | 157218733 |
10 | 70812741 |
11 | 36a7672a |
12 | 1b86b719 |
13 | 1189473c |
14 | 959456d |
15 | 633b846 |
hex | 4388445 |
70812741 has 4 divisors (see below), whose sum is σ = 94416992. Its totient is φ = 47208492.
The previous prime is 70812733. The next prime is 70812743. The reversal of 70812741 is 14721807.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 70812741 - 23 = 70812733 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 70812699 and 70812708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70812743) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11802121 + ... + 11802126.
It is an arithmetic number, because the mean of its divisors is an integer number (23604248).
Almost surely, 270812741 is an apocalyptic number.
It is an amenable number.
70812741 is a deficient number, since it is larger than the sum of its proper divisors (23604251).
70812741 is a wasteful number, since it uses less digits than its factorization.
70812741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23604250.
The product of its (nonzero) digits is 3136, while the sum is 30.
The square root of 70812741 is about 8415.0306594807. The cubic root of 70812741 is about 413.7174143369.
It can be divided in two parts, 708 and 12741, that multiplied together give a triangular number (9020628 = T4247).
The spelling of 70812741 in words is "seventy million, eight hundred twelve thousand, seven hundred forty-one".
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