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42153718 = 223778867
BaseRepresentation
bin1010000011001…
…1011011110110
32221022122000211
42200303123312
541242404333
64103300034
71021205065
oct240633366
987278024
1042153718
1121881792
121214a61a
13896bc39
1458541dc
153a79ecd
hex28336f6

42153718 has 8 divisors (see below), whose sum is σ = 63264312. Its totient is φ = 21065616.

The previous prime is 42153697. The next prime is 42153719. The reversal of 42153718 is 81735124.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42153718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42153719) 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, 321 + ... + 9187.

It is an arithmetic number, because the mean of its divisors is an integer number (7908039).

Almost surely, 242153718 is an apocalyptic number.

42153718 is a deficient number, since it is larger than the sum of its proper divisors (21110594).

42153718 is a wasteful number, since it uses less digits than its factorization.

42153718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11246.

The product of its digits is 6720, while the sum is 31.

The square root of 42153718 is about 6492.5894680012. The cubic root of 42153718 is about 348.0262179129.

The spelling of 42153718 in words is "forty-two million, one hundred fifty-three thousand, seven hundred eighteen".

Divisors: 1 2 2377 4754 8867 17734 21076859 42153718