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193097641 = 1117554331
BaseRepresentation
bin10111000001001…
…10111110101001
3111110100101011111
423200212332221
5343413111031
631054430321
74533205612
oct1340467651
9443311144
10193097641
1199aa9130
12548023a1
133100b679
141b906c09
1511e441b1
hexb826fa9

193097641 has 4 divisors (see below), whose sum is σ = 210651984. Its totient is φ = 175543300.

The previous prime is 193097633. The next prime is 193097647. The reversal of 193097641 is 146790391.

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 193097641 - 23 = 193097633 is a prime.

It is a Duffinian number.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 193097594 and 193097603.

It is not an unprimeable number, because it can be changed into a prime (193097647) 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, 8777155 + ... + 8777176.

It is an arithmetic number, because the mean of its divisors is an integer number (52662996).

Almost surely, 2193097641 is an apocalyptic number.

193097641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

193097641 is a deficient number, since it is larger than the sum of its proper divisors (17554343).

193097641 is a wasteful number, since it uses less digits than its factorization.

193097641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17554342.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 193097641 is about 13895.9577215822. The cubic root of 193097641 is about 577.9970955262.

The spelling of 193097641 in words is "one hundred ninety-three million, ninety-seven thousand, six hundred forty-one".

Divisors: 1 11 17554331 193097641