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42054100 = 22521138231
BaseRepresentation
bin1010000001101…
…1000111010100
32221010120101021
42200123013110
541231212400
64101210524
71020311464
oct240330724
987116337
1042054100
1121813960
1212100a44
1389357aa
145829ba4
153a5a71a
hex281b1d4

42054100 has 36 divisors (see below), whose sum is σ = 99556128. Its totient is φ = 15292000.

The previous prime is 42054037. The next prime is 42054109. The reversal of 42054100 is 145024.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18016 + ... + 20215.

It is an arithmetic number, because the mean of its divisors is an integer number (2765448).

Almost surely, 242054100 is an apocalyptic number.

It is an amenable number.

42054100 is an abundant number, since it is smaller than the sum of its proper divisors (57502028).

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

42054100 is a wasteful number, since it uses less digits than its factorization.

42054100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38256 (or 38249 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42054100 is about 6484.9132607923. The cubic root of 42054100 is about 347.7518488980.

Adding to 42054100 its reverse (145024), we get a palindrome (42199124).

The spelling of 42054100 in words is "forty-two million, fifty-four thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 38231 76462 152924 191155 382310 420541 764620 841082 955775 1682164 1911550 2102705 3823100 4205410 8410820 10513525 21027050 42054100