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42352971 = 3611991163
BaseRepresentation
bin1010000110010…
…0000101001011
32221200202100120
42201210011023
541320243341
64111434323
71022665023
oct241440513
987622316
1042352971
11219a8461
12122259a3
138a0b83b
1458a6a83
153ab9066
hex286414b

42352971 has 16 divisors (see below), whose sum is σ = 57734400. Its totient is φ = 27609120.

The previous prime is 42352949. The next prime is 42353009. The reversal of 42352971 is 17925324.

It is not a de Polignac number, because 42352971 - 26 = 42352907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42352571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35836 + ... + 36998.

It is an arithmetic number, because the mean of its divisors is an integer number (3608400).

Almost surely, 242352971 is an apocalyptic number.

42352971 is a deficient number, since it is larger than the sum of its proper divisors (15381429).

42352971 is a wasteful number, since it uses less digits than its factorization.

42352971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 15120, while the sum is 33.

The square root of 42352971 is about 6507.9160258872. The cubic root of 42352971 is about 348.5737085136.

The spelling of 42352971 in words is "forty-two million, three hundred fifty-two thousand, nine hundred seventy-one".

Divisors: 1 3 61 183 199 597 1163 3489 12139 36417 70943 212829 231437 694311 14117657 42352971