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47040101 is a prime number
BaseRepresentation
bin1011001101110…
…0011001100101
310021111212212222
42303130121211
544020240401
64400122125
71110556103
oct263343145
9107455788
1047040101
1124609a19
1213906345
1399900a4
146366c73
1541e2c1b
hex2cdc665

47040101 has 2 divisors, whose sum is σ = 47040102. Its totient is φ = 47040100.

The previous prime is 47040047. The next prime is 47040109. The reversal of 47040101 is 10104074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45576001 + 1464100 = 6751^2 + 1210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47040101 is a prime.

It is a super-2 number, since 2×470401012 = 4425542204180402, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47040101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47040109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23520050 + 23520051.

It is an arithmetic number, because the mean of its divisors is an integer number (23520051).

Almost surely, 247040101 is an apocalyptic number.

It is an amenable number.

47040101 is a deficient number, since it is larger than the sum of its proper divisors (1).

47040101 is an equidigital number, since it uses as much as digits as its factorization.

47040101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 47040101 is about 6858.5786428385. The cubic root of 47040101 is about 360.9852153868.

Adding to 47040101 its reverse (10104074), we get a palindrome (57144175).

The spelling of 47040101 in words is "forty-seven million, forty thousand, one hundred one".