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42052404 = 2234774561
BaseRepresentation
bin1010000001101…
…0101100110100
32221010111001110
42200122230310
541231134104
64101155020
71020303522
oct240325464
987114043
1042052404
1121812659
12120bba70
138934aa4
145829312
153a59e89
hex281ab34

42052404 has 24 divisors (see below), whose sum is σ = 100211328. Its totient is φ = 13719040.

The previous prime is 42052403. The next prime is 42052447. The reversal of 42052404 is 40425024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052403) 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, 36717 + ... + 37844.

It is an arithmetic number, because the mean of its divisors is an integer number (4175472).

Almost surely, 242052404 is an apocalyptic number.

It is an amenable number.

42052404 is an abundant number, since it is smaller than the sum of its proper divisors (58158924).

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

42052404 is a wasteful number, since it uses less digits than its factorization.

42052404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74615 (or 74613 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42052404 is about 6484.7824944249. The cubic root of 42052404 is about 347.7471740065.

Adding to 42052404 its reverse (40425024), we get a palindrome (82477428).

The spelling of 42052404 in words is "forty-two million, fifty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 74561 149122 223683 298244 447366 894732 3504367 7008734 10513101 14017468 21026202 42052404