Base | Representation |
---|---|
bin | 1000011001001… |
… | …01011110010110 |
3 | 11220111002201220 |
4 | 10030211132112 |
5 | 121011024321 |
6 | 10553031210 |
7 | 1513313250 |
oct | 414453626 |
9 | 156432656 |
10 | 70408086 |
11 | 3681a701 |
12 | 1b6b5506 |
13 | 117824b8 |
14 | 94cacd0 |
15 | 62ab9c6 |
hex | 4325796 |
70408086 has 16 divisors (see below), whose sum is σ = 160932864. Its totient is φ = 20116584.
The previous prime is 70408057. The next prime is 70408103. The reversal of 70408086 is 68080407.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838150 + ... + 838233.
It is an arithmetic number, because the mean of its divisors is an integer number (10058304).
Almost surely, 270408086 is an apocalyptic number.
70408086 is an abundant number, since it is smaller than the sum of its proper divisors (90524778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70408086 is a wasteful number, since it uses less digits than its factorization.
70408086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1676395.
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 70408086 is about 8390.9526276818. The cubic root of 70408086 is about 412.9278543217.
It can be divided in two parts, 70 and 408086, that added together give a triangular number (408156 = T903).
The spelling of 70408086 in words is "seventy million, four hundred eight thousand, eighty-six".
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