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42074742 = 2371283349
BaseRepresentation
bin1010000010000…
…0001001110110
32221011121200210
42200200021312
541232342432
64101450250
71020425613
oct240401166
987147623
1042074742
1121828416
1212110986
138941cc8
14583350a
153a618cc
hex2820276

42074742 has 32 divisors (see below), whose sum is σ = 85881600. Its totient is φ = 13739040.

The previous prime is 42074741. The next prime is 42074743. The reversal of 42074742 is 24747024.

It is an interprime number because it is at equal distance from previous prime (42074741) and next prime (42074743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42074741) 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, 120384 + ... + 120732.

It is an arithmetic number, because the mean of its divisors is an integer number (2683800).

Almost surely, 242074742 is an apocalyptic number.

42074742 is an abundant number, since it is smaller than the sum of its proper divisors (43806858).

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

42074742 is a wasteful number, since it uses less digits than its factorization.

42074742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 42074742 is about 6486.5046057179. The cubic root of 42074742 is about 347.8087368868.

The spelling of 42074742 in words is "forty-two million, seventy-four thousand, seven hundred forty-two".

Divisors: 1 2 3 6 71 142 213 283 349 426 566 698 849 1047 1698 2094 20093 24779 40186 49558 60279 74337 98767 120558 148674 197534 296301 592602 7012457 14024914 21037371 42074742