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42471737 = 711551581
BaseRepresentation
bin1010001000000…
…1000100111001
32221220210021022
42202001010321
541333043422
64114152225
71024001210
oct242010471
987823238
1042471737
1121a79710
1212282675
138a50909
1458d8077
153ade342
hex2881139

42471737 has 8 divisors (see below), whose sum is σ = 52951872. Its totient is φ = 33094800.

The previous prime is 42471733. The next prime is 42471749. The reversal of 42471737 is 73717424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42471737 - 22 = 42471733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42471697 and 42471706.

It is not an unprimeable number, because it can be changed into a prime (42471733) 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, 275714 + ... + 275867.

It is an arithmetic number, because the mean of its divisors is an integer number (6618984).

Almost surely, 242471737 is an apocalyptic number.

It is an amenable number.

42471737 is a deficient number, since it is larger than the sum of its proper divisors (10480135).

42471737 is a wasteful number, since it uses less digits than its factorization.

42471737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551599.

The product of its digits is 32928, while the sum is 35.

The square root of 42471737 is about 6517.0343715528. The cubic root of 42471737 is about 348.8992273424.

The spelling of 42471737 in words is "forty-two million, four hundred seventy-one thousand, seven hundred thirty-seven".

Divisors: 1 7 11 77 551581 3861067 6067391 42471737