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1408668041 = 11128060731
BaseRepresentation
bin101001111110110…
…1001000110001001
310122011122202021102
41103331221012021
510341104334131
6351440351145
746623323624
oct12375510611
93564582242
101408668041
1166317a170
123339154b5
13195ac4cb1
14d512adbb
1583a081cb
hex53f69189

1408668041 has 4 divisors (see below), whose sum is σ = 1536728784. Its totient is φ = 1280607300.

The previous prime is 1408668017. The next prime is 1408668043.

1408668041 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1408668041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1408667986 and 1408668004.

It is not an unprimeable number, because it can be changed into a prime (1408668043) 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, 64030355 + ... + 64030376.

It is an arithmetic number, because the mean of its divisors is an integer number (384182196).

Almost surely, 21408668041 is an apocalyptic number.

1408668041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1408668041 is a deficient number, since it is larger than the sum of its proper divisors (128060743).

1408668041 is a wasteful number, since it uses less digits than its factorization.

1408668041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128060742.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 1408668041 is about 37532.2266991981. The cubic root of 1408668041 is about 1120.9929653294.

The spelling of 1408668041 in words is "one billion, four hundred eight million, six hundred sixty-eight thousand, forty-one".

Divisors: 1 11 128060731 1408668041