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268994199 = 389664733
BaseRepresentation
bin10000000010001…
…000011010010111
3200202011022200010
4100002020122113
51022330303244
642405251303
76444261435
oct2002103227
9622138603
10268994199
11128927361
1276103b33
1343963086
1427a21d55
1518936eb9
hex10088697

268994199 has 4 divisors (see below), whose sum is σ = 358658936. Its totient is φ = 179329464.

The previous prime is 268994189. The next prime is 268994237. The reversal of 268994199 is 991499862.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 268994199 - 24 = 268994183 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 (268994149) 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, 44832364 + ... + 44832369.

It is an arithmetic number, because the mean of its divisors is an integer number (89664734).

Almost surely, 2268994199 is an apocalyptic number.

268994199 is a deficient number, since it is larger than the sum of its proper divisors (89664737).

268994199 is an equidigital number, since it uses as much as digits as its factorization.

268994199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89664736.

The product of its digits is 2519424, while the sum is 57.

The square root of 268994199 is about 16401.0426192971. The cubic root of 268994199 is about 645.5268407531.

It can be divided in two parts, 2689941 and 99, that added together give a triangular number (2690040 = T2319).

The spelling of 268994199 in words is "two hundred sixty-eight million, nine hundred ninety-four thousand, one hundred ninety-nine".

Divisors: 1 3 89664733 268994199