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47379019 is a prime number
BaseRepresentation
bin1011010010111…
…1001001001011
310022011002210111
42310233021023
544112112034
64411255151
71113500152
oct264571113
9108132714
1047379019
1124820616
1213a4a4b7
139a7b42c
146414599
15425d364
hex2d2f24b

47379019 has 2 divisors, whose sum is σ = 47379020. Its totient is φ = 47379018.

The previous prime is 47378993. The next prime is 47379029. The reversal of 47379019 is 91097374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47379019 - 25 = 47378987 is a prime.

It is a super-2 number, since 2×473790192 = 4489542882804722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47379029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23689509 + 23689510.

It is an arithmetic number, because the mean of its divisors is an integer number (23689510).

Almost surely, 247379019 is an apocalyptic number.

47379019 is a deficient number, since it is larger than the sum of its proper divisors (1).

47379019 is an equidigital number, since it uses as much as digits as its factorization.

47379019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 47379019 is about 6883.2418960836. The cubic root of 47379019 is about 361.8500925860.

The spelling of 47379019 in words is "forty-seven million, three hundred seventy-nine thousand, nineteen".