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42213007 = 91146337
BaseRepresentation
bin1010000100000…
…1111010001111
32221102122100201
42201001322033
541301304012
64104434331
71021542664
oct241017217
987378321
1042213007
1121912291
12121789a7
13898cc15
14586ba6b
153a8c857
hex2841e8f

42213007 has 4 divisors (see below), whose sum is σ = 42260256. Its totient is φ = 42165760.

The previous prime is 42212999. The next prime is 42213013. The reversal of 42213007 is 70031224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42213007 - 23 = 42212999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42213077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22258 + ... + 24079.

It is an arithmetic number, because the mean of its divisors is an integer number (10565064).

Almost surely, 242213007 is an apocalyptic number.

42213007 is a deficient number, since it is larger than the sum of its proper divisors (47249).

42213007 is an equidigital number, since it uses as much as digits as its factorization.

42213007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47248.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 42213007 is about 6497.1537614559. The cubic root of 42213007 is about 348.1893072047.

The spelling of 42213007 in words is "forty-two million, two hundred thirteen thousand, seven".

Divisors: 1 911 46337 42213007