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42054005 = 5721723439
BaseRepresentation
bin1010000001101…
…1000101110101
32221010120020202
42200123011311
541231212010
64101210245
71020311300
oct240330565
987116222
1042054005
1121813884
1212100985
138935736
145829b37
153a5a6a5
hex281b175

42054005 has 48 divisors (see below), whose sum is σ = 65007360. Its totient is φ = 25901568.

The previous prime is 42053983. The next prime is 42054017. The reversal of 42054005 is 50045024.

It is a happy number.

It is not a de Polignac number, because 42054005 - 28 = 42053749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95576 + ... + 96014.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320).

Almost surely, 242054005 is an apocalyptic number.

It is an amenable number.

42054005 is a deficient number, since it is larger than the sum of its proper divisors (22953355).

42054005 is a wasteful number, since it uses less digits than its factorization.

42054005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 42054005 is about 6484.9059360950. The cubic root of 42054005 is about 347.7515870413.

Adding to 42054005 its reverse (50045024), we get a palindrome (92099029).

The spelling of 42054005 in words is "forty-two million, fifty-four thousand, five".

Divisors: 1 5 7 17 23 35 49 85 115 119 161 245 391 439 595 805 833 1127 1955 2195 2737 3073 4165 5635 7463 10097 13685 15365 19159 21511 37315 50485 52241 70679 95795 107555 171649 261205 353395 365687 494753 858245 1201543 1828435 2473765 6007715 8410801 42054005