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110744021 = 389284689
BaseRepresentation
bin1101001100111…
…01000111010101
321201101101020102
412212131013111
5211322302041
614553343445
72513210603
oct646350725
9251341212
10110744021
115756a693
1231107b85
1319c35c0b
14109ca873
159ac809b
hex699d1d5

110744021 has 4 divisors (see below), whose sum is σ = 111029100. Its totient is φ = 110458944.

The previous prime is 110743999. The next prime is 110744033. The reversal of 110744021 is 120447011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33988900 + 76755121 = 5830^2 + 8761^2 .

It is a cyclic number.

It is not a de Polignac number, because 110744021 - 26 = 110743957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110743984 and 110744002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110744041) 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, 141956 + ... + 142733.

It is an arithmetic number, because the mean of its divisors is an integer number (27757275).

Almost surely, 2110744021 is an apocalyptic number.

It is an amenable number.

110744021 is a deficient number, since it is larger than the sum of its proper divisors (285079).

110744021 is an equidigital number, since it uses as much as digits as its factorization.

110744021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285078.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 110744021 is about 10523.4985152277. The cubic root of 110744021 is about 480.2198370899.

The spelling of 110744021 in words is "one hundred ten million, seven hundred forty-four thousand, twenty-one".

Divisors: 1 389 284689 110744021