Search a number
-
+
2377381 is a prime number
BaseRepresentation
bin1001000100011010100101
311110210011011
421010122211
51102034011
6122542221
726131066
oct11043245
94423134
102377381
111384186
12967971
13653146
1445c56d
1531e621
hex2446a5

2377381 has 2 divisors, whose sum is σ = 2377382. Its totient is φ = 2377380.

The previous prime is 2377379. The next prime is 2377393. The reversal of 2377381 is 1837732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 36481 = 1530^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2377381 - 21 = 2377379 is a prime.

It is a super-2 number, since 2×23773812 = 11303880838322, which contains 22 as substring.

Together with 2377379, it forms a pair of twin primes.

It is a Chen prime.

2377381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2377321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1188690 + 1188691.

It is an arithmetic number, because the mean of its divisors is an integer number (1188691).

22377381 is an apocalyptic number.

It is an amenable number.

2377381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2377381 is an equidigital number, since it uses as much as digits as its factorization.

2377381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 2377381 is about 1541.8758056342. The cubic root of 2377381 is about 133.4646532595.

The spelling of 2377381 in words is "two million, three hundred seventy-seven thousand, three hundred eighty-one".