Search a number
-
+
193003047 = 337148261
BaseRepresentation
bin10111000000011…
…11111000100111
3111110011120102000
423200033320213
5343402044142
631052420343
74532333046
oct1340177047
9443146360
10193003047
1199a44056
12547776b3
1330ca75b3
141b8c055d
1511e2614c
hexb80fe27

193003047 has 8 divisors (see below), whose sum is σ = 285930480. Its totient is φ = 128668680.

The previous prime is 193003039. The next prime is 193003061. The reversal of 193003047 is 740300391.

It is not a de Polignac number, because 193003047 - 23 = 193003039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7148261 = 193003047 / (1 + 9 + 3 + 0 + 0 + 3 + 0 + 4 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 193003047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193003037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3574104 + ... + 3574157.

It is an arithmetic number, because the mean of its divisors is an integer number (35741310).

Almost surely, 2193003047 is an apocalyptic number.

193003047 is a deficient number, since it is larger than the sum of its proper divisors (92927433).

193003047 is an equidigital number, since it uses as much as digits as its factorization.

193003047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148270 (or 7148264 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 193003047 is about 13892.5536529466. The cubic root of 193003047 is about 577.9026977086.

The spelling of 193003047 in words is "one hundred ninety-three million, three thousand, forty-seven".

Divisors: 1 3 9 27 7148261 21444783 64334349 193003047