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42130175 = 521685207
BaseRepresentation
bin1010000010110…
…1101011111111
32221021102201212
42200231223333
541241131200
64102555035
71021046333
oct240555377
987242655
1042130175
112186602a
1212138a7b
1389612c9
1458497c3
153a73035
hex282daff

42130175 has 6 divisors (see below), whose sum is σ = 52241448. Its totient is φ = 33704120.

The previous prime is 42130169. The next prime is 42130183. The reversal of 42130175 is 57103124.

It is not a de Polignac number, because 42130175 - 26 = 42130111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42130175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842579 + ... + 842628.

It is an arithmetic number, because the mean of its divisors is an integer number (8706908).

Almost surely, 242130175 is an apocalyptic number.

42130175 is a deficient number, since it is larger than the sum of its proper divisors (10111273).

42130175 is a wasteful number, since it uses less digits than its factorization.

42130175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685217 (or 1685212 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 42130175 is about 6490.7761477346. The cubic root of 42130175 is about 347.9614145575.

Adding to 42130175 its reverse (57103124), we get a palindrome (99233299).

The spelling of 42130175 in words is "forty-two million, one hundred thirty thousand, one hundred seventy-five".

Divisors: 1 5 25 1685207 8426035 42130175