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42363851 = 307137993
BaseRepresentation
bin1010000110011…
…0101111001011
32221201022021112
42201212233023
541321120401
64112000535
71023041525
oct241465713
987638245
1042363851
1121a05652
121223014b
138a1378a
1458aaa15
153abc3bb
hex2866bcb

42363851 has 4 divisors (see below), whose sum is σ = 42502152. Its totient is φ = 42225552.

The previous prime is 42363823. The next prime is 42363857. The reversal of 42363851 is 15836324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42363851 - 214 = 42347467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42363857) 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, 68690 + ... + 69303.

It is an arithmetic number, because the mean of its divisors is an integer number (10625538).

Almost surely, 242363851 is an apocalyptic number.

42363851 is a deficient number, since it is larger than the sum of its proper divisors (138301).

42363851 is a wasteful number, since it uses less digits than its factorization.

42363851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138300.

The product of its digits is 17280, while the sum is 32.

The square root of 42363851 is about 6508.7518772803. The cubic root of 42363851 is about 348.6035541746.

The spelling of 42363851 in words is "forty-two million, three hundred sixty-three thousand, eight hundred fifty-one".

Divisors: 1 307 137993 42363851