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47832131 is a prime number
BaseRepresentation
bin1011011001110…
…1110001000011
310100000010100102
42312131301003
544221112011
64425113015
71120365164
oct266356103
9110003312
1047832131
1124aaaa96
121402876b
139ba9749
1464d176b
1542ec73b
hex2d9dc43

47832131 has 2 divisors, whose sum is σ = 47832132. Its totient is φ = 47832130.

The previous prime is 47832121. The next prime is 47832149. The reversal of 47832131 is 13123874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47832131 - 210 = 47831107 is a prime.

It is a super-2 number, since 2×478321312 = 4575825512002322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47832094 and 47832103.

It is not a weakly prime, because it can be changed into another prime (47832121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23916065 + 23916066.

It is an arithmetic number, because the mean of its divisors is an integer number (23916066).

Almost surely, 247832131 is an apocalyptic number.

47832131 is a deficient number, since it is larger than the sum of its proper divisors (1).

47832131 is an equidigital number, since it uses as much as digits as its factorization.

47832131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 47832131 is about 6916.0777178976. The cubic root of 47832131 is about 362.9999595251. Note that the first 4 decimals are identical.

The spelling of 47832131 in words is "forty-seven million, eight hundred thirty-two thousand, one hundred thirty-one".