Base | Representation |
---|---|
bin | 111111110010111… |
… | …010010000101000 |
3 | 2202120222101220102 |
4 | 333302322100220 |
5 | 4142444413230 |
6 | 254112244532 |
7 | 35344326413 |
oct | 7762722050 |
9 | 2676871812 |
10 | 1070310440 |
11 | 4aa187091 |
12 | 25a540748 |
13 | 1409870b4 |
14 | a2210b7a |
15 | 63e6e045 |
hex | 3fcba428 |
1070310440 has 32 divisors (see below), whose sum is σ = 2435265000. Its totient is φ = 423312384.
The previous prime is 1070310427. The next prime is 1070310443. The reversal of 1070310440 is 440130701.
It can be written as a sum of positive squares in 4 ways, for example, as 636754756 + 433555684 = 25234^2 + 20822^2 .
It is a super-2 number, since 2×10703104402 = 2291128875945987200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (1070310443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146765 + ... + 153884.
Almost surely, 21070310440 is an apocalyptic number.
1070310440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1070310440 is an abundant number, since it is smaller than the sum of its proper divisors (1364954560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1070310440 is a wasteful number, since it uses less digits than its factorization.
1070310440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300749 (or 300745 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 1070310440 is about 32715.5993373192. The cubic root of 1070310440 is about 1022.9080283619.
The spelling of 1070310440 in words is "one billion, seventy million, three hundred ten thousand, four hundred forty".
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