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768133417 = 3719206543
BaseRepresentation
bin101101110010001…
…100100100101001
31222112101012221211
4231302030210221
53033120232132
6204115433121
725015012012
oct5562144451
91875335854
10768133417
11364656007
121952b57a1
13c31a641c
1474032009
1547680147
hex2dc8c929

768133417 has 4 divisors (see below), whose sum is σ = 768343680. Its totient is φ = 767923156.

The previous prime is 768133393. The next prime is 768133441. The reversal of 768133417 is 714331867.

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, and also an emirpimes, since its reverse is a distinct semiprime: 714331867 = 4316612369.

It is an interprime number because it is at equal distance from previous prime (768133393) and next prime (768133441).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-768133417 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768133417.

It is not an unprimeable number, because it can be changed into a prime (768133517) 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, 99553 + ... + 106990.

It is an arithmetic number, because the mean of its divisors is an integer number (192085920).

Almost surely, 2768133417 is an apocalyptic number.

It is an amenable number.

768133417 is a deficient number, since it is larger than the sum of its proper divisors (210263).

768133417 is a wasteful number, since it uses less digits than its factorization.

768133417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210262.

The product of its digits is 84672, while the sum is 40.

The square root of 768133417 is about 27715.2199522212. The cubic root of 768133417 is about 915.8244202570.

The spelling of 768133417 in words is "seven hundred sixty-eight million, one hundred thirty-three thousand, four hundred seventeen".

Divisors: 1 3719 206543 768133417