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42057573 = 389157519
BaseRepresentation
bin1010000001101…
…1111101100101
32221010202010220
42200123331211
541231320243
64101234553
71020324555
oct240337545
987122126
1042057573
1121816528
1212102a59
13893724c
14582b165
153a5b783
hex281bf65

42057573 has 8 divisors (see below), whose sum is σ = 56707200. Its totient is φ = 27723168.

The previous prime is 42057571. The next prime is 42057599. The reversal of 42057573 is 37575024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42057573 - 21 = 42057571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42057571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78493 + ... + 79026.

It is an arithmetic number, because the mean of its divisors is an integer number (7088400).

Almost surely, 242057573 is an apocalyptic number.

It is an amenable number.

42057573 is a deficient number, since it is larger than the sum of its proper divisors (14649627).

42057573 is a wasteful number, since it uses less digits than its factorization.

42057573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157611.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 42057573 is about 6485.1810306267. The cubic root of 42057573 is about 347.7614215590.

The spelling of 42057573 in words is "forty-two million, fifty-seven thousand, five hundred seventy-three".

Divisors: 1 3 89 267 157519 472557 14019191 42057573