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42738756 = 223101179197
BaseRepresentation
bin1010001100001…
…0010001000100
32222102100112220
42203002101010
541420120011
64124012340
71026162534
oct243022104
988370486
1042738756
1122141295
12123910b0
138b15308
1459674c4
153b43506
hex28c2444

42738756 has 48 divisors (see below), whose sum is σ = 101787840. Its totient is φ = 13955200.

The previous prime is 42738743. The next prime is 42738757. The reversal of 42738756 is 65783724.

It is not an unprimeable number, because it can be changed into a prime (42738757) 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, 216850 + ... + 217046.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 242738756 is an apocalyptic number.

It is an amenable number.

42738756 is an abundant number, since it is smaller than the sum of its proper divisors (59049084).

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

42738756 is a wasteful number, since it uses less digits than its factorization.

42738756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 42738756 is about 6537.4885085941. The cubic root of 42738756 is about 349.6288746405.

The spelling of 42738756 in words is "forty-two million, seven hundred thirty-eight thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 12 101 179 197 202 303 358 394 404 537 591 606 716 788 1074 1182 1212 2148 2364 18079 19897 35263 36158 39794 54237 59691 70526 72316 79588 105789 108474 119382 141052 211578 216948 238764 423156 3561563 7123126 10684689 14246252 21369378 42738756