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42057554 = 2711416661
BaseRepresentation
bin1010000001101…
…1111101010010
32221010202010012
42200123331102
541231320204
64101234522
71020324530
oct240337522
987122105
1042057554
1121816510
1212102a42
138937236
14582b150
153a5b76e
hex281bf52

42057554 has 32 divisors (see below), whose sum is σ = 80583552. Its totient is φ = 15984000.

The previous prime is 42057539. The next prime is 42057571. The reversal of 42057554 is 45575024.

42057554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42057554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2984 + ... + 9644.

It is an arithmetic number, because the mean of its divisors is an integer number (2518236).

Almost surely, 242057554 is an apocalyptic number.

42057554 is a deficient number, since it is larger than the sum of its proper divisors (38525998).

42057554 is a wasteful number, since it uses less digits than its factorization.

42057554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 42057554 is about 6485.1795657484. The cubic root of 42057554 is about 347.7613691906.

The spelling of 42057554 in words is "forty-two million, fifty-seven thousand, five hundred fifty-four".

Divisors: 1 2 7 11 14 22 41 77 82 154 287 451 574 902 3157 6314 6661 13322 46627 73271 93254 146542 273101 512897 546202 1025794 1911707 3004111 3823414 6008222 21028777 42057554