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42213877 = 193835801
BaseRepresentation
bin1010000100001…
…0000111110101
32221102200112221
42201002013311
541301321002
64104442341
71021545346
oct241020765
987380487
1042213877
1121912a02
12121793b1
138990434
14586c0cd
153a8cc37
hex28421f5

42213877 has 8 divisors (see below), whose sum is σ = 44559360. Its totient is φ = 39880800.

The previous prime is 42213869. The next prime is 42213889. The reversal of 42213877 is 77831224.

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

It is a cyclic number.

It is not a de Polignac number, because 42213877 - 23 = 42213869 is a prime.

It is a super-2 number, since 2×422138772 = 3564022822742258, which contains 22 as substring.

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 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, 4377 + ... + 10177.

It is an arithmetic number, because the mean of its divisors is an integer number (5569920).

Almost surely, 242213877 is an apocalyptic number.

It is an amenable number.

42213877 is a deficient number, since it is larger than the sum of its proper divisors (2345483).

42213877 is a wasteful number, since it uses less digits than its factorization.

42213877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203.

The product of its digits is 18816, while the sum is 34.

The square root of 42213877 is about 6497.2207135051. The cubic root of 42213877 is about 348.1916992211.

The spelling of 42213877 in words is "forty-two million, two hundred thirteen thousand, eight hundred seventy-seven".

Divisors: 1 19 383 5801 7277 110219 2221783 42213877