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11375009 = 12789567
BaseRepresentation
bin101011011001…
…000110100001
3210101220120122
4223121012201
510403000014
61043450025
7165454202
oct53310641
923356518
1011375009
11646a238
123986915
132483699
1417215a9
15eea58e
hexad91a1

11375009 has 4 divisors (see below), whose sum is σ = 11464704. Its totient is φ = 11285316.

The previous prime is 11375003. The next prime is 11375017. The reversal of 11375009 is 90057311.

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.

It is a cyclic number.

It is not a de Polignac number, because 11375009 - 212 = 11370913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11375003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44657 + ... + 44910.

It is an arithmetic number, because the mean of its divisors is an integer number (2866176).

Almost surely, 211375009 is an apocalyptic number.

It is an amenable number.

11375009 is a deficient number, since it is larger than the sum of its proper divisors (89695).

11375009 is an equidigital number, since it uses as much as digits as its factorization.

11375009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89694.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 11375009 is about 3372.6857250565. The cubic root of 11375009 is about 224.8971315773.

The spelling of 11375009 in words is "eleven million, three hundred seventy-five thousand, nine".

Divisors: 1 127 89567 11375009