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268435455 = 352943113127
BaseRepresentation
bin11111111111111…
…11111111111111
3200201002221012220
433333333333333
51022204413310
642345300423
76436443441
oct1777777777
9621087186
10268435455
11128585592
1275a94713
13437c8962
1427918491
1518876670
hexfffffff

268435455 has 64 divisors (see below), whose sum is σ = 462274560. Its totient is φ = 132765696.

The previous prime is 268435399. The next prime is 268435459. The reversal of 268435455 is 554534862.

268435455 is nontrivially palindromic in base 2, base 4 and base 16.

It is a Cunningham number, because it is equal to 228-1.

It is not a de Polignac number, because 268435455 - 223 = 260046847 is a prime.

Its product of digits (576000) is a multiple of the sum of its prime divisors (320).

268435455 is a nontrivial repdigit in base 2, base 4 and base 16.

It is a plaindrome in base 2, base 4, base 8 and base 16.

It is a nialpdrome in base 2, base 4 and base 16.

It is a zygodrome in base 2, base 4 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268435459) by changing a digit.

It is a nontrivial repunit in base 2.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2113602 + ... + 2113728.

It is an arithmetic number, because the mean of its divisors is an integer number (7223040).

Almost surely, 2268435455 is an apocalyptic number.

268435455 is a deficient number, since it is larger than the sum of its proper divisors (193839105).

268435455 is a wasteful number, since it uses less digits than its factorization.

268435455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its digits is 576000, while the sum is 42.

The square root of 268435455 is about 16383.9999694824. Note that the first 4 decimals coincide. The cubic root of 268435455 is about 645.0795767451.

The spelling of 268435455 in words is "two hundred sixty-eight million, four hundred thirty-five thousand, four hundred fifty-five".

Divisors: 1 3 5 15 29 43 87 113 127 129 145 215 339 381 435 565 635 645 1247 1695 1905 3277 3683 3741 4859 5461 6235 9831 11049 14351 14577 16383 16385 18415 18705 24295 27305 43053 49155 55245 71755 72885 81915 140911 158369 215265 416179 422733 475107 617093 704555 791845 1248537 1851279 2080895 2113665 2375535 3085465 6242685 9256395 17895697 53687091 89478485 268435455