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49668471 = 35204397
BaseRepresentation
bin1011110101111…
…0000101110111
310110110102100000
42331132011313
5100203342341
64532322343
71142114016
oct275360567
9113412300
1049668471
1126044726
12147733b3
13a3a0538
14684ca7d
1545618b6
hex2f5e177

49668471 has 12 divisors (see below), whose sum is σ = 74400872. Its totient is φ = 33112152.

The previous prime is 49668469. The next prime is 49668491. The reversal of 49668471 is 17486694.

It is not a de Polignac number, because 49668471 - 21 = 49668469 is a prime.

It is a super-3 number, since 3×496684713 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49668461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101956 + ... + 102441.

Almost surely, 249668471 is an apocalyptic number.

49668471 is a deficient number, since it is larger than the sum of its proper divisors (24732401).

49668471 is an equidigital number, since it uses as much as digits as its factorization.

49668471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204412 (or 204400 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 49668471 is about 7047.5861825167. The cubic root of 49668471 is about 367.5871013869.

The spelling of 49668471 in words is "forty-nine million, six hundred sixty-eight thousand, four hundred seventy-one".

Divisors: 1 3 9 27 81 243 204397 613191 1839573 5518719 16556157 49668471