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42683472 = 2432131512
BaseRepresentation
bin1010001011010…
…0110001010000
32222022112201100
42202310301100
541411332342
64122504400
71025542416
oct242646120
988275640
1042683472
11221037a7
1212365100
138ac60c0
1459512b6
153b31e4c
hex28b4c50

42683472 has 90 divisors (see below), whose sum is σ = 129500826. Its totient is φ = 13046400.

The previous prime is 42683441. The next prime is 42683479. The reversal of 42683472 is 27438624.

It can be written as a sum of positive squares in only one way, i.e., 29550096 + 13133376 = 5436^2 + 3624^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42683479) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 282597 + ... + 282747.

Almost surely, 242683472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42683472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64750413).

42683472 is an abundant number, since it is smaller than the sum of its proper divisors (86817354).

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

42683472 is a wasteful number, since it uses less digits than its factorization.

42683472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 169 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42683472 is about 6533.2589111407. The cubic root of 42683472 is about 349.4780574066.

The spelling of 42683472 in words is "forty-two million, six hundred eighty-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 151 156 208 234 302 312 453 468 604 624 906 936 1208 1359 1812 1872 1963 2416 2718 3624 3926 5436 5889 7248 7852 10872 11778 15704 17667 21744 22801 23556 31408 35334 45602 47112 68403 70668 91204 94224 136806 141336 182408 205209 273612 282672 296413 364816 410418 547224 592826 820836 889239 1094448 1185652 1641672 1778478 2371304 2667717 3283344 3556956 4742608 5335434 7113912 10670868 14227824 21341736 42683472