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454321242 = 23239763577
BaseRepresentation
bin11011000101000…
…110010001011010
31011122212220120200
4123011012101122
51412301234432
6113025403030
714154444504
oct3305062132
91148786520
10454321242
112134a8301
12108199476
137318084b
14444a4d74
1529d43a7c
hex1b14645a

454321242 has 24 divisors (see below), whose sum is σ = 986857716. Its totient is φ = 151056576.

The previous prime is 454321211. The next prime is 454321249. The reversal of 454321242 is 242123454.

It can be written as a sum of positive squares in 2 ways, for example, as 390497121 + 63824121 = 19761^2 + 7989^2 .

It is not an unprimeable number, because it can be changed into a prime (454321249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24643 + ... + 38934.

Almost surely, 2454321242 is an apocalyptic number.

454321242 is an abundant number, since it is smaller than the sum of its proper divisors (532536474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454321242 is a wasteful number, since it uses less digits than its factorization.

454321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63982 (or 63979 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 454321242 is about 21314.8127366862. The cubic root of 454321242 is about 768.7545176812.

Adding to 454321242 its reverse (242123454), we get a palindrome (696444696).

The spelling of 454321242 in words is "four hundred fifty-four million, three hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 397 794 1191 2382 3573 7146 63577 127154 190731 381462 572193 1144386 25240069 50480138 75720207 151440414 227160621 454321242