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11728974 = 233163059
BaseRepresentation
bin101100101111…
…100001001110
3211001220010110
4230233201032
511000311344
61055220450
7201460155
oct54574116
924056113
1011728974
116691174
123b17726
13257882a
1417b459c
15106a3b9
hexb2f84e

11728974 has 16 divisors (see below), whose sum is σ = 24215040. Its totient is φ = 3783480.

The previous prime is 11728973. The next prime is 11729009. The reversal of 11728974 is 47982711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728973) 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, 31344 + ... + 31715.

It is an arithmetic number, because the mean of its divisors is an integer number (1513440).

Almost surely, 211728974 is an apocalyptic number.

11728974 is an abundant number, since it is smaller than the sum of its proper divisors (12486066).

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

11728974 is a wasteful number, since it uses less digits than its factorization.

11728974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63095.

The product of its digits is 28224, while the sum is 39.

The square root of 11728974 is about 3424.7589696211. The cubic root of 11728974 is about 227.2061108710.

The spelling of 11728974 in words is "eleven million, seven hundred twenty-eight thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 31 62 93 186 63059 126118 189177 378354 1954829 3909658 5864487 11728974