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42971352 = 2335930347
BaseRepresentation
bin1010001111101…
…1000011011000
32222212011121120
42203323003120
542000040402
64133005240
71031151624
oct243730330
988764546
1042971352
1122290016
1212483820
138b97148
1459c8184
153b8c3bc
hex28fb0d8

42971352 has 32 divisors (see below), whose sum is σ = 109252800. Its totient is φ = 14080544.

The previous prime is 42971347. The next prime is 42971381. The reversal of 42971352 is 25317924.

42971352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13758 + ... + 16589.

It is an arithmetic number, because the mean of its divisors is an integer number (3414150).

Almost surely, 242971352 is an apocalyptic number.

It is an amenable number.

42971352 is an abundant number, since it is smaller than the sum of its proper divisors (66281448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42971352 is a wasteful number, since it uses less digits than its factorization.

42971352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30415 (or 30411 counting only the distinct ones).

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

The square root of 42971352 is about 6555.2537708315. The cubic root of 42971352 is about 350.2619861590.

The spelling of 42971352 in words is "forty-two million, nine hundred seventy-one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 472 708 1416 30347 60694 91041 121388 182082 242776 364164 728328 1790473 3580946 5371419 7161892 10742838 14323784 21485676 42971352