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42064460 = 22517123719
BaseRepresentation
bin1010000001110…
…1101001001100
32221011002120222
42200131221030
541232030320
64101330512
71020353624
oct240355114
987132528
1042064460
1121820719
1212106a38
13893a419
14582d884
153a5d825
hex281da4c

42064460 has 24 divisors (see below), whose sum is σ = 93532320. Its totient is φ = 15835904.

The previous prime is 42064459. The next prime is 42064481. The reversal of 42064460 is 6446024.

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, 61520 + ... + 62199.

It is an arithmetic number, because the mean of its divisors is an integer number (3897180).

Almost surely, 242064460 is an apocalyptic number.

It is an amenable number.

42064460 is an abundant number, since it is smaller than the sum of its proper divisors (51467860).

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

42064460 is a wasteful number, since it uses less digits than its factorization.

42064460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123745 (or 123743 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42064460 is about 6485.7119886717. The cubic root of 42064460 is about 347.7804027002.

It can be divided in two parts, 42064 and 460, that added together give a palindrome (42524).

The spelling of 42064460 in words is "forty-two million, sixty-four thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 123719 247438 494876 618595 1237190 2103223 2474380 4206446 8412892 10516115 21032230 42064460