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42083664 = 2437251499
BaseRepresentation
bin1010000010001…
…0010101010000
32221012001221020
42200202111100
541233134124
64101555440
71020463620
oct240422520
987161836
1042083664
1121834097
1212115b80
13894609c
145836880
153a64379
hex2822550

42083664 has 80 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 11952000.

The previous prime is 42083663. The next prime is 42083677. The reversal of 42083664 is 46638024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42083663) 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, 84087 + ... + 84585.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 242083664 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 42083664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

42083664 is an abundant number, since it is smaller than the sum of its proper divisors (82908336).

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

42083664 is a wasteful number, since it uses less digits than its factorization.

42083664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 42083664 is about 6487.1923048419. The cubic root of 42083664 is about 347.8333195706.

The spelling of 42083664 in words is "forty-two million, eighty-three thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 251 336 499 502 753 998 1004 1497 1506 1757 1996 2008 2994 3012 3493 3514 3992 4016 5271 5988 6024 6986 7028 7984 10479 10542 11976 12048 13972 14056 20958 21084 23952 27944 28112 41916 42168 55888 83832 84336 125249 167664 250498 375747 500996 751494 876743 1001992 1502988 1753486 2003984 2630229 3005976 3506972 5260458 6011952 7013944 10520916 14027888 21041832 42083664