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42392733 = 314130911
BaseRepresentation
bin1010000110110…
…1110010011101
32221202202220020
42201231302131
541323031413
64112342353
71023221655
oct241556235
987682806
1042392733
1121a25319
12122449b9
138a23976
1458b7365
153ac5c23
hex286dc9d

42392733 has 4 divisors (see below), whose sum is σ = 56523648. Its totient is φ = 28261820.

The previous prime is 42392683. The next prime is 42392773. The reversal of 42392733 is 33729324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42392733 - 212 = 42388637 is a prime.

It is a super-2 number, since 2×423927332 = 3594287622418578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42392694 and 42392703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42392773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7065453 + ... + 7065458.

It is an arithmetic number, because the mean of its divisors is an integer number (14130912).

Almost surely, 242392733 is an apocalyptic number.

It is an amenable number.

42392733 is a deficient number, since it is larger than the sum of its proper divisors (14130915).

42392733 is a wasteful number, since it uses less digits than its factorization.

42392733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14130914.

The product of its digits is 27216, while the sum is 33.

The square root of 42392733 is about 6510.9702042015. The cubic root of 42392733 is about 348.6827575552.

The spelling of 42392733 in words is "forty-two million, three hundred ninety-two thousand, seven hundred thirty-three".

Divisors: 1 3 14130911 42392733