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42043495 = 513646823
BaseRepresentation
bin1010000001100…
…0100001100111
32221010000211111
42200120201213
541230342440
64101045451
71020235534
oct240304147
987100744
1042043495
112180699a
12120b6887
138930a10
145825d8b
153a574ea
hex2818867

42043495 has 8 divisors (see below), whose sum is σ = 54333216. Its totient is φ = 31047456.

The previous prime is 42043483. The next prime is 42043513. The reversal of 42043495 is 59434024.

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 42043495 - 27 = 42043367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323347 + ... + 323476.

It is an arithmetic number, because the mean of its divisors is an integer number (6791652).

Almost surely, 242043495 is an apocalyptic number.

42043495 is a deficient number, since it is larger than the sum of its proper divisors (12289721).

42043495 is a wasteful number, since it uses less digits than its factorization.

42043495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646841.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 42043495 is about 6484.0955421709. The cubic root of 42043495 is about 347.7226149795.

The spelling of 42043495 in words is "forty-two million, forty-three thousand, four hundred ninety-five".

Divisors: 1 5 13 65 646823 3234115 8408699 42043495