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42738748 = 22132173719
BaseRepresentation
bin1010001100001…
…0010000111100
32222102100112121
42203002100330
541420114443
64124012324
71026162523
oct243022074
988370477
1042738748
1122141288
12123910a4
138b15300
1459674ba
153b434ed
hex28c243c

42738748 has 36 divisors (see below), whose sum is σ = 85775760. Its totient is φ = 18560256.

The previous prime is 42738743. The next prime is 42738757. The reversal of 42738748 is 84783724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42738743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9633 + ... + 13351.

It is an arithmetic number, because the mean of its divisors is an integer number (2382660).

Almost surely, 242738748 is an apocalyptic number.

It is an amenable number.

42738748 is an abundant number, since it is smaller than the sum of its proper divisors (43037012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42738748 is a wasteful number, since it uses less digits than its factorization.

42738748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766 (or 3751 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 42738748 is about 6537.4878967383. The cubic root of 42738748 is about 349.6288528255.

The spelling of 42738748 in words is "forty-two million, seven hundred thirty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 4 13 17 26 34 52 68 169 221 338 442 676 884 2873 3719 5746 7438 11492 14876 48347 63223 96694 126446 193388 252892 628511 821899 1257022 1643798 2514044 3287596 10684687 21369374 42738748