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47137331 = 414326737
BaseRepresentation
bin1011001111010…
…0001000110011
310021200211021002
42303310020303
544031343311
64402152215
71111442423
oct263641063
9107624232
1047137331
1124675a7a
121395266b
1399c5417
146390483
15421193b
hex2cf4233

47137331 has 8 divisors (see below), whose sum is σ = 49411824. Its totient is φ = 44916480.

The previous prime is 47137313. The next prime is 47137333. The reversal of 47137331 is 13373174.

47137331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47137331 - 210 = 47136307 is a prime.

It is a super-2 number, since 2×471373312 = 4443855947607122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47137294 and 47137303.

It is not an unprimeable number, because it can be changed into a prime (47137333) 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 7 ways as a sum of consecutive naturals, for example, 11606 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (6176478).

Almost surely, 247137331 is an apocalyptic number.

47137331 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47137331 is a deficient number, since it is larger than the sum of its proper divisors (2274493).

47137331 is a wasteful number, since it uses less digits than its factorization.

47137331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26821.

The product of its digits is 5292, while the sum is 29.

The square root of 47137331 is about 6865.6631871947. The cubic root of 47137331 is about 361.2337582047.

The spelling of 47137331 in words is "forty-seven million, one hundred thirty-seven thousand, three hundred thirty-one".

Divisors: 1 41 43 1763 26737 1096217 1149691 47137331