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112615421 = 7310914153
BaseRepresentation
bin1101011011001…
…01111111111101
321211220110022112
412231211333331
5212312143141
615101423405
72535133562
oct655457775
9254813275
10112615421
11586286a6
123186ab65
131a43c959
1410d56869
159d477eb
hex6b65ffd

112615421 has 8 divisors (see below), whose sum is σ = 115213560. Its totient is φ = 110045952.

The previous prime is 112615411. The next prime is 112615423. The reversal of 112615421 is 124516211.

It can be written as a sum of positive squares in 4 ways, for example, as 22934521 + 89680900 = 4789^2 + 9470^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112615421 - 26 = 112615357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112615423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (14401695).

Almost surely, 2112615421 is an apocalyptic number.

It is an amenable number.

112615421 is a deficient number, since it is larger than the sum of its proper divisors (2598139).

112615421 is a wasteful number, since it uses less digits than its factorization.

112615421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335.

The product of its digits is 480, while the sum is 23.

The square root of 112615421 is about 10612.0413210654. The cubic root of 112615421 is about 482.9097288385.

The spelling of 112615421 in words is "one hundred twelve million, six hundred fifteen thousand, four hundred twenty-one".

Divisors: 1 73 109 7957 14153 1033169 1542677 112615421