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454545453 = 3457331543
BaseRepresentation
bin11011000101111…
…101000000101101
31011200022022010210
4123011331000231
51412330423303
6113034253033
714156400255
oct3305750055
91150268123
10454545453
112136407aa
12108287179
137322b90b
1444522965
1529d8a203
hex1b17d02d

454545453 has 8 divisors (see below), whose sum is σ = 607388608. Its totient is φ = 302366304.

The previous prime is 454545451. The next prime is 454545457. The reversal of 454545453 is 354545454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 454545453 - 21 = 454545451 is a prime.

It is a super-2 number, since 2×4545454532 = 413223137685950418, which contains 22 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 (454545451) 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, 164401 + ... + 167142.

It is an arithmetic number, because the mean of its divisors is an integer number (75923576).

Almost surely, 2454545453 is an apocalyptic number.

It is an amenable number.

454545453 is a deficient number, since it is larger than the sum of its proper divisors (152843155).

454545453 is a wasteful number, since it uses less digits than its factorization.

454545453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332003.

The product of its digits is 480000, while the sum is 39.

The square root of 454545453 is about 21320.0715993169. The cubic root of 454545453 is about 768.8809589572.

Subtracting from 454545453 its reverse (354545454), we obtain a palindrome (99999999).

It can be divided in two parts, 4 and 54545453, that multiplied together give a palindrome (218181812).

The spelling of 454545453 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-three".

Divisors: 1 3 457 1371 331543 994629 151515151 454545453