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8030193 = 32676731
BaseRepresentation
bin11110101000011111110001
3120002222100120
4132220133301
54023431233
6444040453
7125153433
oct36503761
916088316
108030193
114595226
122833129
1318820c2
1410d0653
15a894b3
hex7a87f1

8030193 has 4 divisors (see below), whose sum is σ = 10706928. Its totient is φ = 5353460.

The previous prime is 8030153. The next prime is 8030227. The reversal of 8030193 is 3910308.

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 not a de Polignac number, because 8030193 - 212 = 8026097 is a prime.

It is an Ulam number.

8030193 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8030123) 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, 1338363 + ... + 1338368.

It is an arithmetic number, because the mean of its divisors is an integer number (2676732).

Almost surely, 28030193 is an apocalyptic number.

It is an amenable number.

8030193 is a deficient number, since it is larger than the sum of its proper divisors (2676735).

8030193 is a wasteful number, since it uses less digits than its factorization.

8030193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676734.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 8030193 is about 2833.7595169668. The cubic root of 8030193 is about 200.2512924616.

Subtracting from 8030193 its reverse (3910308), we obtain a triangular number (4119885 = T2870).

The spelling of 8030193 in words is "eight million, thirty thousand, one hundred ninety-three".

Divisors: 1 3 2676731 8030193