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454545434 = 2741791891
BaseRepresentation
bin11011000101111…
…101000000011010
31011200022022010002
4123011331000122
51412330423214
6113034253002
714156400230
oct3305750032
91150268102
10454545434
11213640792
12108287162
137322b8c5
1444522950
1529d8a1de
hex1b17d01a

454545434 has 16 divisors (see below), whose sum is σ = 798227136. Its totient is φ = 190053600.

The previous prime is 454545431. The next prime is 454545451. The reversal of 454545434 is 434545454.

454545434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×4545454342 = 413223103140496712, 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 (454545431) 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, 395372 + ... + 396519.

It is an arithmetic number, because the mean of its divisors is an integer number (49889196).

Almost surely, 2454545434 is an apocalyptic number.

454545434 is a deficient number, since it is larger than the sum of its proper divisors (343681702).

454545434 is a wasteful number, since it uses less digits than its factorization.

454545434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791941.

The product of its digits is 384000, while the sum is 38.

The square root of 454545434 is about 21320.0711537274. The cubic root of 454545434 is about 768.8809482442.

The spelling of 454545434 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 7 14 41 82 287 574 791891 1583782 5543237 11086474 32467531 64935062 227272717 454545434