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11380357 is a prime number
BaseRepresentation
bin101011011010…
…011010000101
3210102011220201
4223122122011
510403132412
61043530501
7165505612
oct53323205
923364821
1011380357
11647325a
123989a31
132485c51
141723509
15eebe57
hexada685

11380357 has 2 divisors, whose sum is σ = 11380358. Its totient is φ = 11380356.

The previous prime is 11380351. The next prime is 11380387. The reversal of 11380357 is 75308311.

11380357 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11082241 + 298116 = 3329^2 + 546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11380357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11380351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690178 + 5690179.

It is an arithmetic number, because the mean of its divisors is an integer number (5690179).

Almost surely, 211380357 is an apocalyptic number.

It is an amenable number.

11380357 is a deficient number, since it is larger than the sum of its proper divisors (1).

11380357 is an equidigital number, since it uses as much as digits as its factorization.

11380357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 11380357 is about 3373.4784718448. The cubic root of 11380357 is about 224.9323714444.

Adding to 11380357 its reverse (75308311), we get a palindrome (86688668).

The spelling of 11380357 in words is "eleven million, three hundred eighty thousand, three hundred fifty-seven".