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42053847 = 3118571487
BaseRepresentation
bin1010000001101…
…1000011010111
32221010120000220
42200123003113
541231210342
64101205423
71020310653
oct240330327
987116026
1042053847
1121813750
1212100873
138935644
145829a63
153a5a5ec
hex281b0d7

42053847 has 16 divisors (see below), whose sum is σ = 61281792. Its totient is φ = 25440320.

The previous prime is 42053831. The next prime is 42053873. The reversal of 42053847 is 74835024.

It is a cyclic number.

It is not a de Polignac number, because 42053847 - 24 = 42053831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42053147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27538 + ... + 29024.

It is an arithmetic number, because the mean of its divisors is an integer number (3830112).

Almost surely, 242053847 is an apocalyptic number.

42053847 is a deficient number, since it is larger than the sum of its proper divisors (19227945).

42053847 is a wasteful number, since it uses less digits than its factorization.

42053847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 42053847 is about 6484.8937539485. The cubic root of 42053847 is about 347.7511515313.

The spelling of 42053847 in words is "forty-two million, fifty-three thousand, eight hundred forty-seven".

Divisors: 1 3 11 33 857 1487 2571 4461 9427 16357 28281 49071 1274359 3823077 14017949 42053847