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47470039 is a prime number
BaseRepresentation
bin1011010100010…
…1010111010111
310022022201122121
42311011113113
544123020124
64413240411
71114326421
oct265052727
9108281577
1047470039
1124882a41
1213a93107
139ab09a6
146439811
15427a2e4
hex2d455d7

47470039 has 2 divisors, whose sum is σ = 47470040. Its totient is φ = 47470038.

The previous prime is 47470009. The next prime is 47470061. The reversal of 47470039 is 93007474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47470039 - 27 = 47469911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47469986 and 47470013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47470009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23735019 + 23735020.

It is an arithmetic number, because the mean of its divisors is an integer number (23735020).

Almost surely, 247470039 is an apocalyptic number.

47470039 is a deficient number, since it is larger than the sum of its proper divisors (1).

47470039 is an equidigital number, since it uses as much as digits as its factorization.

47470039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 47470039 is about 6889.8504337903. The cubic root of 47470039 is about 362.0816615217.

The spelling of 47470039 in words is "forty-seven million, four hundred seventy thousand, thirty-nine".