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112748149 = 389289841
BaseRepresentation
bin1101011100001…
…10011001110101
321212011012101101
412232012121311
5212330420044
615104330101
72536225543
oct656063165
9255135341
10112748149
1158709398
1231913931
131a4881a7
1410d8cd93
159d71cd4
hex6b86675

112748149 has 4 divisors (see below), whose sum is σ = 113038380. Its totient is φ = 112457920.

The previous prime is 112748101. The next prime is 112748171. The reversal of 112748149 is 941847211.

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 63888049 + 48860100 = 7993^2 + 6990^2 .

It is a cyclic number.

It is not a de Polignac number, because 112748149 - 29 = 112747637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112748179) 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, 144532 + ... + 145309.

It is an arithmetic number, because the mean of its divisors is an integer number (28259595).

Almost surely, 2112748149 is an apocalyptic number.

It is an amenable number.

112748149 is a deficient number, since it is larger than the sum of its proper divisors (290231).

112748149 is an equidigital number, since it uses as much as digits as its factorization.

112748149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290230.

The product of its digits is 16128, while the sum is 37.

The square root of 112748149 is about 10618.2931302540. The cubic root of 112748149 is about 483.0993727240.

The spelling of 112748149 in words is "one hundred twelve million, seven hundred forty-eight thousand, one hundred forty-nine".

Divisors: 1 389 289841 112748149