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42628124 = 22711138403
BaseRepresentation
bin1010001010011…
…1010000011100
32222012201210102
42202213100130
541403044444
64121400232
71025222150
oct242472034
988181712
1042628124
1122076160
1212339078
138aa6b56
145939060
153b2084e
hex28a741c

42628124 has 24 divisors (see below), whose sum is σ = 93007488. Its totient is φ = 16608240.

The previous prime is 42628123. The next prime is 42628127. The reversal of 42628124 is 42182624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42628123) 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 7 ways as a sum of consecutive naturals, for example, 68894 + ... + 69509.

It is an arithmetic number, because the mean of its divisors is an integer number (3875312).

Almost surely, 242628124 is an apocalyptic number.

42628124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42628124 is an abundant number, since it is smaller than the sum of its proper divisors (50379364).

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

42628124 is a wasteful number, since it uses less digits than its factorization.

42628124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138425 (or 138423 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 42628124 is about 6529.0216725019. The cubic root of 42628124 is about 349.3269350685.

The spelling of 42628124 in words is "forty-two million, six hundred twenty-eight thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 138403 276806 553612 968821 1522433 1937642 3044866 3875284 6089732 10657031 21314062 42628124