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109493888 = 277122203
BaseRepresentation
bin1101000011010…
…11111010000000
321122000212101012
412201223322000
5211012301023
614510500052
72466453110
oct641537200
9248025335
10109493888
1156896419
1230804628
13198b8baa
1410783040
15992c978
hex686be80

109493888 has 32 divisors (see below), whose sum is σ = 249296160. Its totient is φ = 46925568.

The previous prime is 109493887. The next prime is 109493899. The reversal of 109493888 is 888394901.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (109493887) 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, 60206 + ... + 61997.

It is an arithmetic number, because the mean of its divisors is an integer number (7790505).

Almost surely, 2109493888 is an apocalyptic number.

It is an amenable number.

109493888 is an abundant number, since it is smaller than the sum of its proper divisors (139802272).

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

109493888 is an equidigital number, since it uses as much as digits as its factorization.

109493888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122224 (or 122212 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 109493888 is about 10463.9327214963. The cubic root of 109493888 is about 478.4060088059.

The spelling of 109493888 in words is "one hundred nine million, four hundred ninety-three thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 122203 244406 488812 855421 977624 1710842 1955248 3421684 3910496 6843368 7820992 13686736 15641984 27373472 54746944 109493888