Base | Representation |
---|---|
bin | 1000011010010… |
… | …00011001100100 |
3 | 11220202100222012 |
4 | 10031020121210 |
5 | 121030114030 |
6 | 11000053352 |
7 | 1514450312 |
oct | 415103144 |
9 | 156670865 |
10 | 70551140 |
11 | 36908130 |
12 | 1b764258 |
13 | 1180264a |
14 | 95270b2 |
15 | 62d9095 |
hex | 4348664 |
70551140 has 24 divisors (see below), whose sum is σ = 161626752. Its totient is φ = 25654880.
The previous prime is 70551137. The next prime is 70551157. The reversal of 70551140 is 4115507.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160124 + ... + 160563.
It is an arithmetic number, because the mean of its divisors is an integer number (6734448).
Almost surely, 270551140 is an apocalyptic number.
It is an amenable number.
70551140 is an abundant number, since it is smaller than the sum of its proper divisors (91075612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70551140 is a wasteful number, since it uses less digits than its factorization.
70551140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320707 (or 320705 counting only the distinct ones).
The product of its (nonzero) digits is 700, while the sum is 23.
The square root of 70551140 is about 8399.4726024912. The cubic root of 70551140 is about 413.2073251573.
Adding to 70551140 its reverse (4115507), we get a palindrome (74666647).
The spelling of 70551140 in words is "seventy million, five hundred fifty-one thousand, one hundred forty".
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