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455678645 = 52313033041
BaseRepresentation
bin11011001010010…
…001101010110101
31011202102212120212
4123022101222311
51413123204040
6113114435205
714202130112
oct3312215265
91152385525
10455678645
11214245124
12108732b05
1373537646
1444739909
152a010d65
hex1b291ab5

455678645 has 16 divisors (see below), whose sum is σ = 571214592. Its totient is φ = 348311040.

The previous prime is 455678621. The next prime is 455678701. The reversal of 455678645 is 546876554.

It is not a de Polignac number, because 455678645 - 28 = 455678389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455678593 and 455678602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148325 + ... + 151365.

It is an arithmetic number, because the mean of its divisors is an integer number (35700912).

Almost surely, 2455678645 is an apocalyptic number.

It is an amenable number.

455678645 is a deficient number, since it is larger than the sum of its proper divisors (115535947).

455678645 is a wasteful number, since it uses less digits than its factorization.

455678645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372.

The product of its digits is 4032000, while the sum is 50.

The square root of 455678645 is about 21346.6307645961. The cubic root of 455678645 is about 769.5193745427.

The spelling of 455678645 in words is "four hundred fifty-five million, six hundred seventy-eight thousand, six hundred forty-five".

Divisors: 1 5 23 115 1303 3041 6515 15205 29969 69943 149845 349715 3962423 19812115 91135729 455678645