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455450223 = 3151816741
BaseRepresentation
bin11011001001011…
…001111001101111
31011202000021020210
4123021121321233
51413043401343
6113105513503
714200156134
oct3311317157
91152007223
10455450223
112140a9548
12108642893
1373487697
14446ba58b
1529eb8333
hex1b259e6f

455450223 has 4 divisors (see below), whose sum is σ = 607266968. Its totient is φ = 303633480.

The previous prime is 455450221. The next prime is 455450239. The reversal of 455450223 is 322054554.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 455450223 - 21 = 455450221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455450221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75908368 + ... + 75908373.

It is an arithmetic number, because the mean of its divisors is an integer number (151816742).

Almost surely, 2455450223 is an apocalyptic number.

455450223 is a deficient number, since it is larger than the sum of its proper divisors (151816745).

455450223 is a wasteful number, since it uses less digits than its factorization.

455450223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151816744.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 455450223 is about 21341.2797882414. The cubic root of 455450223 is about 769.3907718271.

The spelling of 455450223 in words is "four hundred fifty-five million, four hundred fifty thousand, two hundred twenty-three".

Divisors: 1 3 151816741 455450223