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112451421 = 397386431
BaseRepresentation
bin1101011001111…
…01111101011101
321211121010100110
412230331331131
5212241421141
615054120233
72533551465
oct654757535
9254533313
10112451421
1158526465
12317b0079
131a3b3104
1410d12ba5
159d13e16
hex6b3df5d

112451421 has 8 divisors (see below), whose sum is σ = 151481344. Its totient is φ = 74194560.

The previous prime is 112451389. The next prime is 112451429. The reversal of 112451421 is 124154211.

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

It is not a de Polignac number, because 112451421 - 25 = 112451389 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 (112451429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192925 + ... + 193506.

It is an arithmetic number, because the mean of its divisors is an integer number (18935168).

Almost surely, 2112451421 is an apocalyptic number.

It is an amenable number.

112451421 is a deficient number, since it is larger than the sum of its proper divisors (39029923).

112451421 is an equidigital number, since it uses as much as digits as its factorization.

112451421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386531.

The product of its digits is 320, while the sum is 21.

The square root of 112451421 is about 10604.3114345062. The cubic root of 112451421 is about 482.6751971006.

The spelling of 112451421 in words is "one hundred twelve million, four hundred fifty-one thousand, four hundred twenty-one".

Divisors: 1 3 97 291 386431 1159293 37483807 112451421