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42130232 = 235779127
BaseRepresentation
bin1010000010110…
…1101100111000
32221021102210222
42200231230320
541241131412
64102555212
71021046444
oct240555470
987242728
1042130232
1121866081
1212138b08
138961341
145849824
153a73072
hex282db38

42130232 has 16 divisors (see below), whose sum is σ = 79139760. Its totient is φ = 21026304.

The previous prime is 42130213. The next prime is 42130241. The reversal of 42130232 is 23203124.

It is a self number, because there is not a number n which added to its sum of digits gives 42130232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (4946235).

Almost surely, 242130232 is an apocalyptic number.

It is an amenable number.

42130232 is a deficient number, since it is larger than the sum of its proper divisors (37009528).

42130232 is a wasteful number, since it uses less digits than its factorization.

42130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9710 (or 9706 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42130232 is about 6490.7805385793. The cubic root of 42130232 is about 347.9615714822.

Adding to 42130232 its reverse (23203124), we get a palindrome (65333356).

The spelling of 42130232 in words is "forty-two million, one hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 577 1154 2308 4616 9127 18254 36508 73016 5266279 10532558 21065116 42130232