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11450987 = 23497869
BaseRepresentation
bin101011101011…
…101001101011
3210112202210122
4223223221223
510412412422
61045233455
7166221542
oct53535153
923482718
1011450987
116511329
123a0288b
1324ac142
141741159
151012d42
hexaeba6b

11450987 has 4 divisors (see below), whose sum is σ = 11948880. Its totient is φ = 10953096.

The previous prime is 11450983. The next prime is 11451001. The reversal of 11450987 is 78905411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78905411 = 136069647.

It is a cyclic number.

It is not a de Polignac number, because 11450987 - 22 = 11450983 is a prime.

It is a super-2 number, since 2×114509872 = 262250206548338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11450983) 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, 248912 + ... + 248957.

It is an arithmetic number, because the mean of its divisors is an integer number (2987220).

Almost surely, 211450987 is an apocalyptic number.

11450987 is a deficient number, since it is larger than the sum of its proper divisors (497893).

11450987 is an equidigital number, since it uses as much as digits as its factorization.

11450987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497892.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 11450987 is about 3383.9307026002. The cubic root of 11450987 is about 225.3967452705.

The spelling of 11450987 in words is "eleven million, four hundred fifty thousand, nine hundred eighty-seven".

Divisors: 1 23 497869 11450987