Search a number
-
+
268451345 = 5347154727
BaseRepresentation
bin10000000000000…
…011111000010001
3200201010202000102
4100000003320101
51022210420340
642345502145
76436540661
oct2000037021
9621122012
10268451345
11128596518
1275aa1955
1343802c66
14279201a1
151887b215
hex10003e11

268451345 has 8 divisors (see below), whose sum is σ = 323072064. Its totient is φ = 214140784.

The previous prime is 268451341. The next prime is 268451371. The reversal of 268451345 is 543154862.

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 268451345 - 22 = 268451341 is a prime.

It is a super-2 number, since 2×2684513452 = 144132249264618050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268451299 and 268451308.

It is not an unprimeable number, because it can be changed into a prime (268451341) 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, 75629 + ... + 79098.

It is an arithmetic number, because the mean of its divisors is an integer number (40384008).

Almost surely, 2268451345 is an apocalyptic number.

It is an amenable number.

268451345 is a deficient number, since it is larger than the sum of its proper divisors (54620719).

268451345 is a wasteful number, since it uses less digits than its factorization.

268451345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155079.

The product of its digits is 115200, while the sum is 38.

The square root of 268451345 is about 16384.4848866237. The cubic root of 268451345 is about 645.0923049597.

The spelling of 268451345 in words is "two hundred sixty-eight million, four hundred fifty-one thousand, three hundred forty-five".

Divisors: 1 5 347 1735 154727 773635 53690269 268451345