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42202007 = 178113061
BaseRepresentation
bin1010000011111…
…1001110010111
32221102002021022
42200333032113
541300431012
64104311355
71021465631
oct240771627
987362238
1042202007
1121904aa1
121217255b
138987c03
145867a51
153a89472
hex283f397

42202007 has 8 divisors (see below), whose sum is σ = 44754192. Its totient is φ = 39657600.

The previous prime is 42202001. The next prime is 42202123. The reversal of 42202007 is 70020224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-42202007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42202001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12257 + ... + 15317.

It is an arithmetic number, because the mean of its divisors is an integer number (5594274).

Almost surely, 242202007 is an apocalyptic number.

42202007 is a deficient number, since it is larger than the sum of its proper divisors (2552185).

42202007 is a wasteful number, since it uses less digits than its factorization.

42202007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 42202007 is about 6496.3071817764. The cubic root of 42202007 is about 348.1590604839.

The spelling of 42202007 in words is "forty-two million, two hundred two thousand, seven".

Divisors: 1 17 811 3061 13787 52037 2482471 42202007