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10555120 = 245131939
BaseRepresentation
bin101000010000…
…111011110000
3201212020220101
4220100323300
510200230440
61014122144
7155500642
oct50207360
921766811
1010555120
115a5a244
123650354
132257444
14158a892
15dd769a
hexa10ef0

10555120 has 20 divisors (see below), whose sum is σ = 24540840. Its totient is φ = 4222016.

The previous prime is 10555117. The next prime is 10555121. The reversal of 10555120 is 2155501.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×105551202 = 222821116428800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555121) 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, 65890 + ... + 66049.

It is an arithmetic number, because the mean of its divisors is an integer number (1227042).

Almost surely, 210555120 is an apocalyptic number.

10555120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10555120 is an abundant number, since it is smaller than the sum of its proper divisors (13985720).

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

10555120 is a wasteful number, since it uses less digits than its factorization.

10555120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131952 (or 131946 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 10555120 is about 3248.8644169925. The cubic root of 10555120 is about 219.3584616174.

It can be divided in two parts, 105 and 55120, that added together give a square (55225 = 2352).

The spelling of 10555120 in words is "ten million, five hundred fifty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 131939 263878 527756 659695 1055512 1319390 2111024 2638780 5277560 10555120