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398092043 = 1723417179
BaseRepresentation
bin10111101110100…
…110011100001011
31000202002011121202
4113232212130023
51303402421133
6103300254415
712602504126
oct2756463413
91022064552
10398092043
11194792498
12b13a140b
136462402b
143ac293bd
1524e382e8
hex17ba670b

398092043 has 4 divisors (see below), whose sum is σ = 421509240. Its totient is φ = 374674848.

The previous prime is 398092031. The next prime is 398092067. The reversal of 398092043 is 340290893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 398092043 - 214 = 398075659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398091988 and 398092006.

It is not an unprimeable number, because it can be changed into a prime (398092003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11708573 + ... + 11708606.

It is an arithmetic number, because the mean of its divisors is an integer number (105377310).

Almost surely, 2398092043 is an apocalyptic number.

398092043 is a deficient number, since it is larger than the sum of its proper divisors (23417197).

398092043 is a wasteful number, since it uses less digits than its factorization.

398092043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23417196.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 398092043 is about 19952.2440592531. The cubic root of 398092043 is about 735.6329365261.

The spelling of 398092043 in words is "three hundred ninety-eight million, ninety-two thousand, forty-three".

Divisors: 1 17 23417179 398092043