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4369381 is a prime number
BaseRepresentation
bin10000101010101111100101
322012222122221
4100222233211
52104310011
6233352341
752065502
oct20525745
98188587
104369381
112514865
1215686b1
13b9ca43
1481a4a9
155b4971
hex42abe5

4369381 has 2 divisors, whose sum is σ = 4369382. Its totient is φ = 4369380.

The previous prime is 4369349. The next prime is 4369397. The reversal of 4369381 is 1839634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3389281 + 980100 = 1841^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4369381 - 25 = 4369349 is a prime.

It is a super-2 number, since 2×43693812 = 38182980646322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4361381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2184690 + 2184691.

It is an arithmetic number, because the mean of its divisors is an integer number (2184691).

Almost surely, 24369381 is an apocalyptic number.

It is an amenable number.

4369381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4369381 is an equidigital number, since it uses as much as digits as its factorization.

4369381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 4369381 is about 2090.3064368652. The cubic root of 4369381 is about 163.4832660008.

The spelling of 4369381 in words is "four million, three hundred sixty-nine thousand, three hundred eighty-one".