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97471 = 118861
BaseRepresentation
bin10111110010111111
311221201001
4113302333
511104341
62031131
7554113
oct276277
9157631
1097471
1167260
12484a7
133549a
1427743
151dd31
hex17cbf

97471 has 4 divisors (see below), whose sum is σ = 106344. Its totient is φ = 88600.

The previous prime is 97463. The next prime is 97499. The reversal of 97471 is 17479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97471 - 23 = 97463 is a prime.

It is a super-3 number, since 3×974713 = 2778097731654333, which contains 333 as substring.

It is a Duffinian number.

97471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4420 + ... + 4441.

It is an arithmetic number, because the mean of its divisors is an integer number (26586).

297471 is an apocalyptic number.

97471 is a deficient number, since it is larger than the sum of its proper divisors (8873).

97471 is a wasteful number, since it uses less digits than its factorization.

97471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8872.

The product of its digits is 1764, while the sum is 28.

The square root of 97471 is about 312.2034593018. The cubic root of 97471 is about 46.0212567163.

Adding to 97471 its product of digits (1764), we get a triangular number (99235 = T445).

The spelling of 97471 in words is "ninety-seven thousand, four hundred seventy-one".

Divisors: 1 11 8861 97471