Search a number
-
+
268969463 = 738424209
BaseRepresentation
bin10000000010000…
…010010111110111
3200202010001201222
4100002002113313
51022324010323
642404540555
76444126350
oct2002022767
9622101658
10268969463
1112890a814
12760b175b
1343954a39
1427a16d27
151892e9c8
hex100825f7

268969463 has 4 divisors (see below), whose sum is σ = 307393680. Its totient is φ = 230545248.

The previous prime is 268969451. The next prime is 268969469. The reversal of 268969463 is 364969862.

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

It is a cyclic number.

It is not a de Polignac number, because 268969463 - 26 = 268969399 is a prime.

It is a super-3 number, since 3×2689694633 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268969469) 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, 19212098 + ... + 19212111.

It is an arithmetic number, because the mean of its divisors is an integer number (76848420).

Almost surely, 2268969463 is an apocalyptic number.

268969463 is a deficient number, since it is larger than the sum of its proper divisors (38424217).

268969463 is an equidigital number, since it uses as much as digits as its factorization.

268969463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38424216.

The product of its digits is 3359232, while the sum is 53.

The square root of 268969463 is about 16400.2885035599. The cubic root of 268969463 is about 645.5070531623.

The spelling of 268969463 in words is "two hundred sixty-eight million, nine hundred sixty-nine thousand, four hundred sixty-three".

Divisors: 1 7 38424209 268969463