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47000143 is a prime number
BaseRepresentation
bin1011001101001…
…0101001001111
310021102212002001
42303102221033
544013001033
64355213131
71110331441
oct263225117
9107385061
1047000143
11245919a3
12138a71a7
139977b48
146356491
1541d5e7d
hex2cd2a4f

47000143 has 2 divisors, whose sum is σ = 47000144. Its totient is φ = 47000142.

The previous prime is 47000117. The next prime is 47000153. The reversal of 47000143 is 34100074.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47000143 - 217 = 46869071 is a prime.

47000143 is a modest number, since divided by 143 gives 47 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 47000143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47000153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23500071 + 23500072.

It is an arithmetic number, because the mean of its divisors is an integer number (23500072).

Almost surely, 247000143 is an apocalyptic number.

47000143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47000143 is an equidigital number, since it uses as much as digits as its factorization.

47000143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 47000143 is about 6855.6650297400. The cubic root of 47000143 is about 360.8829740150.

The spelling of 47000143 in words is "forty-seven million, one hundred forty-three", and thus it is an aban number.