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454545456 = 24317557041
BaseRepresentation
bin11011000101111…
…101000000110000
31011200022022010220
4123011331000300
51412330423311
6113034253040
714156400261
oct3305750060
91150268126
10454545456
11213640802
12108287180
137322b911
1444522968
1529d8a206
hex1b17d030

454545456 has 40 divisors (see below), whose sum is σ = 1243317744. Its totient is φ = 142602240.

The previous prime is 454545451. The next prime is 454545457. The reversal of 454545456 is 654545454.

454545456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×4545454562 = 413223143140495872, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (454545451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277705 + ... + 279336.

Almost surely, 2454545456 is an apocalyptic number.

It is an amenable number.

454545456 is an abundant number, since it is smaller than the sum of its proper divisors (788772288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454545456 is a wasteful number, since it uses less digits than its factorization.

454545456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557069 (or 557063 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The square root of 454545456 is about 21320.0716696732. The cubic root of 454545456 is about 768.8809606488.

The spelling of 454545456 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 557041 1114082 1671123 2228164 3342246 4456328 6684492 8912656 9469697 13368984 18939394 26737968 28409091 37878788 56818182 75757576 113636364 151515152 227272728 454545456