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47825389 is a prime number
BaseRepresentation
bin1011011001110…
…0000111101101
310022222210002201
42312130013231
544220403024
64425021501
71120336423
oct266340755
9108883081
1047825389
1124aa5a17
1214024891
139ba6661
1464cd113
1542ea744
hex2d9c1ed

47825389 has 2 divisors, whose sum is σ = 47825390. Its totient is φ = 47825388.

The previous prime is 47825377. The next prime is 47825429. The reversal of 47825389 is 98352874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43007364 + 4818025 = 6558^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 47825389 - 215 = 47792621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47825189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23912694 + 23912695.

It is an arithmetic number, because the mean of its divisors is an integer number (23912695).

Almost surely, 247825389 is an apocalyptic number.

It is an amenable number.

47825389 is a deficient number, since it is larger than the sum of its proper divisors (1).

47825389 is an equidigital number, since it uses as much as digits as its factorization.

47825389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 47825389 is about 6915.5902857240. The cubic root of 47825389 is about 362.9829036210.

The spelling of 47825389 in words is "forty-seven million, eight hundred twenty-five thousand, three hundred eighty-nine".