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42355030 = 254235503
BaseRepresentation
bin1010000110010…
…0100101010110
32221200212011211
42201210211112
541320330110
64111452034
71023004024
oct241444526
987625154
1042355030
11219a9a63
121222701a
138a0c763
1458a7714
153ab998a
hex2864956

42355030 has 8 divisors (see below), whose sum is σ = 76239072. Its totient is φ = 16942008.

The previous prime is 42355013. The next prime is 42355031. The reversal of 42355030 is 3055324.

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

It is a junction number, because it is equal to n+sod(n) for n = 42354992 and 42355010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42355031) 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 3 ways as a sum of consecutive naturals, for example, 2117742 + ... + 2117761.

It is an arithmetic number, because the mean of its divisors is an integer number (9529884).

Almost surely, 242355030 is an apocalyptic number.

42355030 is a deficient number, since it is larger than the sum of its proper divisors (33884042).

42355030 is a wasteful number, since it uses less digits than its factorization.

42355030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235510.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 42355030 is about 6508.0742159259. The cubic root of 42355030 is about 348.5793570873.

The spelling of 42355030 in words is "forty-two million, three hundred fifty-five thousand, thirty".

Divisors: 1 2 5 10 4235503 8471006 21177515 42355030