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193190241 = 31272571973
BaseRepresentation
bin10111000001111…
…01100101100001
3111110112002012010
423200331211201
5343424041431
631100423133
74534042566
oct1340754541
9443462163
10193190241
119a061762
1254847aa9
133104186a
141b92c86d
1511e61846
hexb83d961

193190241 has 16 divisors (see below), whose sum is σ = 260757504. Its totient is φ = 127217664.

The previous prime is 193190201. The next prime is 193190251. The reversal of 193190241 is 142091391.

193190241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 193190241 - 26 = 193190177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193190199 and 193190208.

It is not an unprimeable number, because it can be changed into a prime (193190201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96931 + ... + 98903.

It is an arithmetic number, because the mean of its divisors is an integer number (16297344).

Almost surely, 2193190241 is an apocalyptic number.

It is an amenable number.

193190241 is a deficient number, since it is larger than the sum of its proper divisors (67567263).

193190241 is a wasteful number, since it uses less digits than its factorization.

193190241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 193190241 is about 13899.2892264317. The cubic root of 193190241 is about 578.0894736231.

The spelling of 193190241 in words is "one hundred ninety-three million, one hundred ninety thousand, two hundred forty-one".

Divisors: 1 3 127 257 381 771 1973 5919 32639 97917 250571 507061 751713 1521183 64396747 193190241