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42131373 = 385916349
BaseRepresentation
bin1010000010110…
…1111110101101
32221021111101020
42200231332231
541241200443
64103004353
71021052664
oct240557655
987244336
1042131373
1121866a19
12121396b9
138961a0b
145849ddb
153a73583
hex282dfad

42131373 has 8 divisors (see below), whose sum is σ = 56244000. Its totient is φ = 28053168.

The previous prime is 42131371. The next prime is 42131399. The reversal of 42131373 is 37313124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42131373 - 21 = 42131371 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5598 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (7030500).

Almost surely, 242131373 is an apocalyptic number.

It is an amenable number.

42131373 is a deficient number, since it is larger than the sum of its proper divisors (14112627).

42131373 is a wasteful number, since it uses less digits than its factorization.

42131373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17211.

The product of its digits is 1512, while the sum is 24.

The square root of 42131373 is about 6490.8684318818. The cubic root of 42131373 is about 347.9647126989.

Adding to 42131373 its reverse (37313124), we get a palindrome (79444497).

The spelling of 42131373 in words is "forty-two million, one hundred thirty-one thousand, three hundred seventy-three".

Divisors: 1 3 859 2577 16349 49047 14043791 42131373