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454680421 = 1342183077
BaseRepresentation
bin11011000110011…
…101111101100101
31011200120011021121
4123012131331211
51412344233141
6113041213541
714160501616
oct3306357545
91150504247
10454680421
11213723148
121083312b1
1373278190
1444559c0d
1529db51d1
hex1b19df65

454680421 has 8 divisors (see below), whose sum is σ = 490824824. Its totient is φ = 418703040.

The previous prime is 454680407. The next prime is 454680437. The reversal of 454680421 is 124086454.

It can be written as a sum of positive squares in 4 ways, for example, as 12040900 + 442639521 = 3470^2 + 21039^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 454680421 - 27 = 454680293 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 (454680451) 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, 36066 + ... + 47011.

It is an arithmetic number, because the mean of its divisors is an integer number (61353103).

Almost surely, 2454680421 is an apocalyptic number.

It is an amenable number.

454680421 is a deficient number, since it is larger than the sum of its proper divisors (36144403).

454680421 is a wasteful number, since it uses less digits than its factorization.

454680421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83511.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 454680421 is about 21323.2366445622. The cubic root of 454680421 is about 768.9570525984.

The spelling of 454680421 in words is "four hundred fifty-four million, six hundred eighty thousand, four hundred twenty-one".

Divisors: 1 13 421 5473 83077 1080001 34975417 454680421