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89112403 = 124971347
BaseRepresentation
bin1010100111110…
…11111101010011
320012200101020101
411103323331103
5140303044103
612501553231
72131304632
oct523737523
9205611211
1089112403
1146335516
1225a15817
1315600c43
14bb99519
157c53a1d
hex54fbf53

89112403 has 4 divisors (see below), whose sum is σ = 89185000. Its totient is φ = 89039808.

The previous prime is 89112377. The next prime is 89112409. The reversal of 89112403 is 30421198.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30421198 = 215210599.

It is a cyclic number.

It is not a de Polignac number, because 89112403 - 217 = 88981331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89112409) 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, 34425 + ... + 36922.

It is an arithmetic number, because the mean of its divisors is an integer number (22296250).

Almost surely, 289112403 is an apocalyptic number.

89112403 is a deficient number, since it is larger than the sum of its proper divisors (72597).

89112403 is a wasteful number, since it uses less digits than its factorization.

89112403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72596.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 89112403 is about 9439.9365993634. The cubic root of 89112403 is about 446.6623895657.

The spelling of 89112403 in words is "eighty-nine million, one hundred twelve thousand, four hundred three".

Divisors: 1 1249 71347 89112403