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42054108 = 2238342223
BaseRepresentation
bin1010000001101…
…1000111011100
32221010120101120
42200123013130
541231212413
64101210540
71020311505
oct240330734
987116346
1042054108
1121813968
1212100a50
1389357b5
145829bac
153a5a723
hex281b1dc

42054108 has 24 divisors (see below), whose sum is σ = 99310848. Its totient is φ = 13848816.

The previous prime is 42054037. The next prime is 42054109. The reversal of 42054108 is 80145024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054109) 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, 20116 + ... + 22107.

It is an arithmetic number, because the mean of its divisors is an integer number (4137952).

Almost surely, 242054108 is an apocalyptic number.

It is an amenable number.

42054108 is an abundant number, since it is smaller than the sum of its proper divisors (57256740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42054108 is a wasteful number, since it uses less digits than its factorization.

42054108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42313 (or 42311 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 42054108 is about 6484.9138776086. The cubic root of 42054108 is about 347.7518709491.

The spelling of 42054108 in words is "forty-two million, fifty-four thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 42223 84446 126669 168892 253338 506676 3504509 7009018 10513527 14018036 21027054 42054108