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42213003 = 3719472251
BaseRepresentation
bin1010000100000…
…1111010001011
32221102122100120
42201001322023
541301304003
64104434323
71021542660
oct241017213
987378316
1042213003
1121912288
12121789a3
13898cc11
14586ba67
153a8c853
hex2841e8b

42213003 has 32 divisors (see below), whose sum is σ = 69181440. Its totient is φ = 22356000.

The previous prime is 42212999. The next prime is 42213013. The reversal of 42213003 is 30031224.

It is not a de Polignac number, because 42213003 - 22 = 42212999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42213013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17628 + ... + 19878.

It is an arithmetic number, because the mean of its divisors is an integer number (2161920).

Almost surely, 242213003 is an apocalyptic number.

42213003 is a deficient number, since it is larger than the sum of its proper divisors (26968437).

42213003 is a wasteful number, since it uses less digits than its factorization.

42213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42213003 is about 6497.1534536288. The cubic root of 42213003 is about 348.1892962069.

Adding to 42213003 its reverse (30031224), we get a palindrome (72244227).

The spelling of 42213003 in words is "forty-two million, two hundred thirteen thousand, three".

Divisors: 1 3 7 19 21 47 57 133 141 329 399 893 987 2251 2679 6251 6753 15757 18753 42769 47271 105797 128307 299383 317391 740579 898149 2010143 2221737 6030429 14071001 42213003