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42580672 = 2619397
BaseRepresentation
bin1010001001101…
…1101011000000
32222010022200221
42202123223000
541400040142
64120352424
71024633621
oct242335300
988108627
1042580672
1122043542
1212315714
138a8b384
145925a48
153b11767
hex289bac0

42580672 has 56 divisors (see below), whose sum is σ = 90109040. Its totient is φ = 19961856.

The previous prime is 42580667. The next prime is 42580693. The reversal of 42580672 is 27608524.

It is a super-2 number, since 2×425806722 = 3626227255943168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438928 + ... + 439024.

It is an arithmetic number, because the mean of its divisors is an integer number (1609090).

Almost surely, 242580672 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 42580672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45054520).

42580672 is an abundant number, since it is smaller than the sum of its proper divisors (47528368).

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

42580672 is an frugal number, since it uses more digits than its factorization.

42580672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 42580672 is about 6525.3867318344. The cubic root of 42580672 is about 349.1972678077.

The spelling of 42580672 in words is "forty-two million, five hundred eighty thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 97 152 194 304 361 388 608 722 776 1216 1444 1552 1843 2888 3104 3686 5776 6208 6859 7372 11552 13718 14744 23104 27436 29488 35017 54872 58976 70034 109744 117952 140068 219488 280136 438976 560272 665323 1120544 1330646 2241088 2661292 5322584 10645168 21290336 42580672