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42057574 = 21347127271
BaseRepresentation
bin1010000001101…
…1111101100110
32221010202010221
42200123331212
541231320244
64101234554
71020324556
oct240337546
987122127
1042057574
1121816529
1212102a5a
138937250
14582b166
153a5b784
hex281bf66

42057574 has 32 divisors (see below), whose sum is σ = 70189056. Its totient is φ = 18779040.

The previous prime is 42057571. The next prime is 42057599. The reversal of 42057574 is 47575024.

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 15 ways as a sum of consecutive naturals, for example, 155059 + ... + 155329.

It is an arithmetic number, because the mean of its divisors is an integer number (2193408).

Almost surely, 242057574 is an apocalyptic number.

42057574 is a deficient number, since it is larger than the sum of its proper divisors (28131482).

42057574 is a wasteful number, since it uses less digits than its factorization.

42057574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 42057574 is about 6485.1811077255. The cubic root of 42057574 is about 347.7614243152.

The spelling of 42057574 in words is "forty-two million, fifty-seven thousand, five hundred seventy-four".

Divisors: 1 2 13 26 47 94 127 254 271 542 611 1222 1651 3302 3523 5969 7046 11938 12737 25474 34417 68834 77597 155194 165581 331162 447421 894842 1617599 3235198 21028787 42057574