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42950951 = 211320327
BaseRepresentation
bin1010001111011…
…0000100100111
32222211010121222
42203312010213
541443412301
64132330555
71031035301
oct243660447
988733558
1042950951
112227675a
1212473a5b
138b8aa84
1459c0971
153b8631b
hex28f6127

42950951 has 4 divisors (see below), whose sum is σ = 42973392. Its totient is φ = 42928512.

The previous prime is 42950939. The next prime is 42950981. The reversal of 42950951 is 15905924.

42950951 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42950951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42950981) 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, 8051 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (10743348).

Almost surely, 242950951 is an apocalyptic number.

42950951 is a deficient number, since it is larger than the sum of its proper divisors (22441).

42950951 is a wasteful number, since it uses less digits than its factorization.

42950951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22440.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 42950951 is about 6553.6975059885. The cubic root of 42950951 is about 350.2065474728.

The spelling of 42950951 in words is "forty-two million, nine hundred fifty thousand, nine hundred fifty-one".

Divisors: 1 2113 20327 42950951