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42154358 = 231679909
BaseRepresentation
bin1010000011001…
…1100101110110
32221022122220112
42200303211312
541242414413
64103303022
71021210001
oct240634566
987278815
1042154358
1121882214
121214aa72
13896c30c
145854538
153a7a2a8
hex2833976

42154358 has 8 divisors (see below), whose sum is σ = 65271360. Its totient is φ = 20397240.

The previous prime is 42154351. The next prime is 42154363. The reversal of 42154358 is 85345124.

42154358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339893 + ... + 340016.

It is an arithmetic number, because the mean of its divisors is an integer number (8158920).

Almost surely, 242154358 is an apocalyptic number.

42154358 is a deficient number, since it is larger than the sum of its proper divisors (23117002).

42154358 is a wasteful number, since it uses less digits than its factorization.

42154358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679942.

The product of its digits is 19200, while the sum is 32.

The square root of 42154358 is about 6492.6387547745. The cubic root of 42154358 is about 348.0279792099.

The spelling of 42154358 in words is "forty-two million, one hundred fifty-four thousand, three hundred fifty-eight".

Divisors: 1 2 31 62 679909 1359818 21077179 42154358