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11385037 = 15717247
BaseRepresentation
bin101011011011…
…100011001101
3210102102100001
4223123203031
510403310122
61044004301
7165525346
oct53334315
923372301
1011385037
116476824
123990691
132488111
1417250cd
15eed527
hexadb8cd

11385037 has 4 divisors (see below), whose sum is σ = 11393856. Its totient is φ = 11376220.

The previous prime is 11385001. The next prime is 11385041. The reversal of 11385037 is 73058311.

It is the 1378-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11385037 - 27 = 11384909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11384996 and 11385014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (2848464).

Almost surely, 211385037 is an apocalyptic number.

It is an amenable number.

11385037 is a deficient number, since it is larger than the sum of its proper divisors (8819).

11385037 is an equidigital number, since it uses as much as digits as its factorization.

11385037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818.

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

The square root of 11385037 is about 3374.1720465916. The cubic root of 11385037 is about 224.9632005660.

The spelling of 11385037 in words is "eleven million, three hundred eighty-five thousand, thirty-seven".

Divisors: 1 1571 7247 11385037