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11975272 = 2323371759
BaseRepresentation
bin101101101011…
…101001101000
3211112101222121
4231223221220
511031202042
61104401024
7203534221
oct55535150
924471877
1011975272
11683a221
124016174
13263397a
14183a248
1510b8367
hexb6ba68

11975272 has 32 divisors (see below), whose sum is σ = 24076800. Its totient is φ = 5569344.

The previous prime is 11975251. The next prime is 11975273. The reversal of 11975272 is 27257911.

It is not an unprimeable number, because it can be changed into a prime (11975273) 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 7 ways as a sum of consecutive naturals, for example, 5929 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

Almost surely, 211975272 is an apocalyptic number.

It is an amenable number.

11975272 is an abundant number, since it is smaller than the sum of its proper divisors (12101528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11975272 is a wasteful number, since it uses less digits than its factorization.

11975272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1821 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The square root of 11975272 is about 3460.5305951544. The cubic root of 11975272 is about 228.7854820690.

The spelling of 11975272 in words is "eleven million, nine hundred seventy-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 23 37 46 74 92 148 184 296 851 1702 1759 3404 3518 6808 7036 14072 40457 65083 80914 130166 161828 260332 323656 520664 1496909 2993818 5987636 11975272