Base | Representation |
---|---|
bin | 1010001011111… |
… | …0001011010111 |
3 | 2222101111120120 |
4 | 2202332023113 |
5 | 41414101012 |
6 | 4123403023 |
7 | 1026062646 |
oct | 242761327 |
9 | 88344516 |
10 | 42722007 |
11 | 2212a749 |
12 | 12383473 |
13 | 8b0a7c3 |
14 | 596135d |
15 | 3b3d58c |
hex | 28be2d7 |
42722007 has 8 divisors (see below), whose sum is σ = 57018480. Its totient is φ = 28453440.
The previous prime is 42721981. The next prime is 42722027. The reversal of 42722007 is 70022724.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42722007 - 211 = 42719959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42722027) 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, 3094 + ... + 9747.
It is an arithmetic number, because the mean of its divisors is an integer number (7127310).
Almost surely, 242722007 is an apocalyptic number.
42722007 is a deficient number, since it is larger than the sum of its proper divisors (14296473).
42722007 is a wasteful number, since it uses less digits than its factorization.
42722007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13953.
The product of its (nonzero) digits is 1568, while the sum is 24.
The square root of 42722007 is about 6536.2073865507. The cubic root of 42722007 is about 349.5831963561.
The spelling of 42722007 in words is "forty-two million, seven hundred twenty-two thousand, seven".
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