Base | Representation |
---|---|
bin | 1000011000111… |
… | …00010010001010 |
3 | 11220102012002200 |
4 | 10030130102022 |
5 | 121003323232 |
6 | 10552141030 |
7 | 1513065432 |
oct | 414342212 |
9 | 156365080 |
10 | 70370442 |
11 | 367a439a |
12 | 1b697776 |
13 | 1176b31c |
14 | 94bb2c2 |
15 | 62a077c |
hex | 431c48a |
70370442 has 12 divisors (see below), whose sum is σ = 152469330. Its totient is φ = 23456808.
The previous prime is 70370441. The next prime is 70370453. The reversal of 70370442 is 24407307.
It can be written as a sum of positive squares in only one way, i.e., 43837641 + 26532801 = 6621^2 + 5151^2 .
It is not an unprimeable number, because it can be changed into a prime (70370441) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1954717 + ... + 1954752.
Almost surely, 270370442 is an apocalyptic number.
70370442 is an abundant number, since it is smaller than the sum of its proper divisors (82098888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70370442 is a wasteful number, since it uses less digits than its factorization.
70370442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3909477 (or 3909474 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 70370442 is about 8388.7091974868. The cubic root of 70370442 is about 412.8542499574.
Adding to 70370442 its reverse (24407307), we get a palindrome (94777749).
The spelling of 70370442 in words is "seventy million, three hundred seventy thousand, four hundred forty-two".
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