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11378437 = 72733181
BaseRepresentation
bin101011011001…
…111100000101
3210102002021121
4223121330011
510403102222
61043513541
7165500200
oct53317405
923362247
1011378437
116471874
1239888b1
132485105
141722937
15eeb5c7
hexad9f05

11378437 has 12 divisors (see below), whose sum is σ = 13421676. Its totient is φ = 9616320.

The previous prime is 11378413. The next prime is 11378453. The reversal of 11378437 is 73487311.

11378437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3261636 + 8116801 = 1806^2 + 2849^2 .

It is not a de Polignac number, because 11378437 - 211 = 11376389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11378407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1987 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (1118473).

Almost surely, 211378437 is an apocalyptic number.

It is an amenable number.

11378437 is a deficient number, since it is larger than the sum of its proper divisors (2043239).

11378437 is an equidigital number, since it uses as much as digits as its factorization.

11378437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3261 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 11378437 is about 3373.1938871046. The cubic root of 11378437 is about 224.9197211546.

The spelling of 11378437 in words is "eleven million, three hundred seventy-eight thousand, four hundred thirty-seven".

Divisors: 1 7 49 73 511 3181 3577 22267 155869 232213 1625491 11378437