Base | Representation |
---|---|
bin | 1010001111001… |
… | …0111001100001 |
3 | 2222210110210120 |
4 | 2203302321201 |
5 | 41443003303 |
6 | 4132150453 |
7 | 1030652352 |
oct | 243627141 |
9 | 88713716 |
10 | 42937953 |
11 | 22267a13 |
12 | 12468429 |
13 | 8b84b96 |
14 | 59b9d29 |
15 | 3b82553 |
hex | 28f2e61 |
42937953 has 4 divisors (see below), whose sum is σ = 57250608. Its totient is φ = 28625300.
The previous prime is 42937913. The next prime is 42937963. The reversal of 42937953 is 35973924.
42937953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 42937953 - 29 = 42937441 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42937913) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 7156323 + ... + 7156328.
It is an arithmetic number, because the mean of its divisors is an integer number (14312652).
Almost surely, 242937953 is an apocalyptic number.
It is an amenable number.
42937953 is a deficient number, since it is larger than the sum of its proper divisors (14312655).
42937953 is a wasteful number, since it uses less digits than its factorization.
42937953 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14312654.
The product of its digits is 204120, while the sum is 42.
The square root of 42937953 is about 6552.7057770054. The cubic root of 42937953 is about 350.1712169088.
It can be divided in two parts, 4293 and 7953, that added together give a triangular number (12246 = T156).
The spelling of 42937953 in words is "forty-two million, nine hundred thirty-seven thousand, nine hundred fifty-three".
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