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11620128 = 253139311
BaseRepresentation
bin101100010100…
…111100100000
3210212100211010
4230110330200
510433321003
61053020520
7200524632
oct54247440
923770733
1011620128
116617413
123a84740
13253b120
141786a52
151048003
hexb14f20

11620128 has 48 divisors (see below), whose sum is σ = 32852736. Its totient is φ = 3575040.

The previous prime is 11620121. The next prime is 11620157. The reversal of 11620128 is 82102611.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (11620121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3408 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (684432).

Almost surely, 211620128 is an apocalyptic number.

It is an amenable number.

11620128 is an abundant number, since it is smaller than the sum of its proper divisors (21232608).

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

11620128 is a wasteful number, since it uses less digits than its factorization.

11620128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337 (or 9329 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11620128 is about 3408.8308846289. The cubic root of 11620128 is about 226.5010940013.

Adding to 11620128 its reverse (82102611), we get a palindrome (93722739).

The spelling of 11620128 in words is "eleven million, six hundred twenty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 9311 18622 27933 37244 55866 74488 111732 121043 148976 223464 242086 297952 363129 446928 484172 726258 893856 968344 1452516 1936688 2905032 3873376 5810064 11620128