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47274489 = 331992153
BaseRepresentation
bin1011010001010…
…1100111111001
310021221210102000
42310111213321
544100240424
64405131213
71112553333
oct264254771
9107853360
1047274489
112475a029
12139b9b09
139a42992
1463c8453
15423c3c9
hex2d159f9

47274489 has 16 divisors (see below), whose sum is σ = 73723200. Its totient is φ = 29857248.

The previous prime is 47274481. The next prime is 47274497. The reversal of 47274489 is 98447274.

It is an interprime number because it is at equal distance from previous prime (47274481) and next prime (47274497).

It is not a de Polignac number, because 47274489 - 23 = 47274481 is a prime.

It is a super-2 number, since 2×472744892 = 4469754620422242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47274481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45564 + ... + 46589.

It is an arithmetic number, because the mean of its divisors is an integer number (4607700).

Almost surely, 247274489 is an apocalyptic number.

It is an amenable number.

47274489 is a deficient number, since it is larger than the sum of its proper divisors (26448711).

47274489 is a wasteful number, since it uses less digits than its factorization.

47274489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92181 (or 92175 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 47274489 is about 6875.6446243243. The cubic root of 47274489 is about 361.5837859544.

It can be divided in two parts, 4727 and 4489, that added together give a square (9216 = 962).

The spelling of 47274489 in words is "forty-seven million, two hundred seventy-four thousand, four hundred eighty-nine".

Divisors: 1 3 9 19 27 57 171 513 92153 276459 829377 1750907 2488131 5252721 15758163 47274489