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61316171 = 731282563
BaseRepresentation
bin1110100111100…
…1110001001011
311021101011222022
43221321301023
5111144104141
610030115055
71343115230
oct351716113
9137334868
1061316171
113167a824
121864ba8b
13c91b077
148201787
1555b2b4b
hex3a79c4b

61316171 has 8 divisors (see below), whose sum is σ = 72336384. Its totient is φ = 50861160.

The previous prime is 61316149. The next prime is 61316201. The reversal of 61316171 is 17161316.

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

It is not a de Polignac number, because 61316171 - 26 = 61316107 is a prime.

It is a super-2 number, since 2×613161712 = 7519345652202482, which contains 22 as substring.

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 61316171.

It is not an unprimeable number, because it can be changed into a prime (61316471) 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, 141065 + ... + 141498.

It is an arithmetic number, because the mean of its divisors is an integer number (9042048).

Almost surely, 261316171 is an apocalyptic number.

61316171 is a deficient number, since it is larger than the sum of its proper divisors (11020213).

61316171 is a wasteful number, since it uses less digits than its factorization.

61316171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282601.

The product of its digits is 756, while the sum is 26.

The square root of 61316171 is about 7830.4642901938. The cubic root of 61316171 is about 394.3286593497.

Adding to 61316171 its reverse (17161316), we get a palindrome (78477487).

The spelling of 61316171 in words is "sixty-one million, three hundred sixteen thousand, one hundred seventy-one".

Divisors: 1 7 31 217 282563 1977941 8759453 61316171