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47728001 is a prime number
BaseRepresentation
bin1011011000010…
…0010110000001
310022210211111202
42312010112001
544204244001
64422550545
71116452456
oct266042601
9108724452
1047728001
1124a39832
1213b98455
139b71229
1464a582d
1542cb96b
hex2d84581

47728001 has 2 divisors, whose sum is σ = 47728002. Its totient is φ = 47728000.

The previous prime is 47727971. The next prime is 47728049. The reversal of 47728001 is 10082774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 7974976 = 6305^2 + 2824^2 .

It is a cyclic number.

It is not a de Polignac number, because 47728001 - 26 = 47727937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47728081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23864000 + 23864001.

It is an arithmetic number, because the mean of its divisors is an integer number (23864001).

Almost surely, 247728001 is an apocalyptic number.

It is an amenable number.

47728001 is a deficient number, since it is larger than the sum of its proper divisors (1).

47728001 is an equidigital number, since it uses as much as digits as its factorization.

47728001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 47728001 is about 6908.5455053868. The cubic root of 47728001 is about 362.7363525613.

The spelling of 47728001 in words is "forty-seven million, seven hundred twenty-eight thousand, one".