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268400693 = 1135936791
BaseRepresentation
bin11111111111101…
…11100000110101
3200201001011112102
433333313200311
51022202310233
642344431445
76436240211
oct1777674065
9621034472
10268400693
11128561460
1275a78585
13437b5ba2
1427909941
151886b1e8
hexfff7835

268400693 has 8 divisors (see below), whose sum is σ = 292925376. Its totient is φ = 243896800.

The previous prime is 268400689. The next prime is 268400723. The reversal of 268400693 is 396004862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268400693 - 22 = 268400689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268400603) 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, 36128 + ... + 42918.

It is an arithmetic number, because the mean of its divisors is an integer number (36615672).

Almost surely, 2268400693 is an apocalyptic number.

It is an amenable number.

268400693 is a deficient number, since it is larger than the sum of its proper divisors (24524683).

268400693 is a wasteful number, since it uses less digits than its factorization.

268400693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 268400693 is about 16382.9390830827. The cubic root of 268400693 is about 645.0517299215.

The spelling of 268400693 in words is "two hundred sixty-eight million, four hundred thousand, six hundred ninety-three".

Divisors: 1 11 3593 6791 39523 74701 24400063 268400693