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52142406 = 2329417309
BaseRepresentation
bin1100011011101…
…0000101000110
310122010002221020
43012322011012
5101322024111
65101332010
71202126451
oct306720506
9118102836
1052142406
11274843a8
1215567006
13aa585c4
146cd4498
15489e906
hex31ba146

52142406 has 32 divisors (see below), whose sum is σ = 110527200. Its totient is φ = 16369920.

The previous prime is 52142353. The next prime is 52142413. The reversal of 52142406 is 60424125.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3480 + ... + 10788.

It is an arithmetic number, because the mean of its divisors is an integer number (3453975).

Almost surely, 252142406 is an apocalyptic number.

52142406 is an abundant number, since it is smaller than the sum of its proper divisors (58384794).

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

52142406 is a wasteful number, since it uses less digits than its factorization.

52142406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52142406 is about 7220.9698794553. The cubic root of 52142406 is about 373.5915307503.

The spelling of 52142406 in words is "fifty-two million, one hundred forty-two thousand, four hundred six".

Divisors: 1 2 3 6 29 41 58 82 87 123 174 246 1189 2378 3567 7134 7309 14618 21927 43854 211961 299669 423922 599338 635883 899007 1271766 1798014 8690401 17380802 26071203 52142406