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455144 = 2356893
BaseRepresentation
bin1101111000111101000
3212010100012
41233013220
5104031034
613431052
73603644
oct1570750
9763305
10455144
11290a58
1219b488
1312c221
14bbc24
158ecce
hex6f1e8

455144 has 8 divisors (see below), whose sum is σ = 853410. Its totient is φ = 227568.

The previous prime is 455123. The next prime is 455149. The reversal of 455144 is 441554.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 16900 = 662^2 + 130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (455149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28439 + ... + 28454.

2455144 is an apocalyptic number.

It is an amenable number.

455144 is a deficient number, since it is larger than the sum of its proper divisors (398266).

455144 is a wasteful number, since it uses less digits than its factorization.

455144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56899 (or 56895 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 455144 is about 674.6436096192. The cubic root of 455144 is about 76.9218299285.

Adding to 455144 its reverse (441554), we get a palindrome (896698).

The spelling of 455144 in words is "four hundred fifty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 56893 113786 227572 455144