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112304021 = 1011111921
BaseRepresentation
bin1101011000110…
…01111110010101
321211022122011012
412230121332111
5212222212041
615051022005
72532365654
oct654317625
9254278135
10112304021
1158435745
123173a905
131a360cab
1410cb519b
159cd53eb
hex6b19f95

112304021 has 4 divisors (see below), whose sum is σ = 113416044. Its totient is φ = 111192000.

The previous prime is 112303973. The next prime is 112304029. The reversal of 112304021 is 120403211.

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 104244100 + 8059921 = 10210^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 112304021 - 222 = 108109717 is a prime.

It is a super-2 number, since 2×1123040212 = 25224386265536882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112303987 and 112304005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112304029) 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, 555860 + ... + 556061.

It is an arithmetic number, because the mean of its divisors is an integer number (28354011).

Almost surely, 2112304021 is an apocalyptic number.

It is an amenable number.

112304021 is a deficient number, since it is larger than the sum of its proper divisors (1112023).

112304021 is a wasteful number, since it uses less digits than its factorization.

112304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112022.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 112304021 is about 10597.3591521662. The cubic root of 112304021 is about 482.4642098969.

Adding to 112304021 its reverse (120403211), we get a palindrome (232707232).

It can be divided in two parts, 11230 and 4021, that added together give a palindrome (15251).

The spelling of 112304021 in words is "one hundred twelve million, three hundred four thousand, twenty-one".

Divisors: 1 101 1111921 112304021