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47164049 is a prime number
BaseRepresentation
bin1011001111101…
…0101010010001
310021202011220122
42303322222101
544033222144
64402520025
71111613342
oct263725221
9107664818
1047164049
1124694059
1213966015
139a0462a
14639a0c9
1542197ee
hex2cfaa91

47164049 has 2 divisors, whose sum is σ = 47164050. Its totient is φ = 47164048.

The previous prime is 47163979. The next prime is 47164057. The reversal of 47164049 is 94046174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 18861649 = 5320^2 + 4343^2 .

It is a cyclic number.

It is not a de Polignac number, because 47164049 - 220 = 46115473 is a prime.

It is not a weakly prime, because it can be changed into another prime (47164079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23582024 + 23582025.

It is an arithmetic number, because the mean of its divisors is an integer number (23582025).

Almost surely, 247164049 is an apocalyptic number.

It is an amenable number.

47164049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47164049 is an equidigital number, since it uses as much as digits as its factorization.

47164049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 47164049 is about 6867.6086813388. The cubic root of 47164049 is about 361.3019958442.

The spelling of 47164049 in words is "forty-seven million, one hundred sixty-four thousand, forty-nine".