Base | Representation |
---|---|
bin | 1010001011100… |
… | …1011101111000 |
3 | 2222100112002221 |
4 | 2202321131320 |
5 | 41412441322 |
6 | 4123133424 |
7 | 1025652463 |
oct | 242713570 |
9 | 88315087 |
10 | 42702712 |
11 | 221171a8 |
12 | 12374274 |
13 | 8b01aa0 |
14 | 59582da |
15 | 3b379c7 |
hex | 28b9778 |
42702712 has 32 divisors (see below), whose sum is σ = 87040800. Its totient is φ = 19522944.
The previous prime is 42702707. The next prime is 42702713. The reversal of 42702712 is 21720724.
It is a super-2 number, since 2×427027122 = 3647043224309888, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42702713) 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, 9453 + ... + 13219.
It is an arithmetic number, because the mean of its divisors is an integer number (2720025).
Almost surely, 242702712 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42702712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43520400).
42702712 is an abundant number, since it is smaller than the sum of its proper divisors (44338088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42702712 is a wasteful number, since it uses less digits than its factorization.
42702712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3895 (or 3891 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 42702712 is about 6534.7312109987. The cubic root of 42702712 is about 349.5305597567.
The spelling of 42702712 in words is "forty-two million, seven hundred two thousand, seven hundred twelve".
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