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455130 = 232513389
BaseRepresentation
bin1101111000111011010
3212010022200
41233013122
5104031010
613431030
73603624
oct1570732
9763280
10455130
11290a45
1219b476
1312c210
14bbc14
158ecc0
hex6f1da

455130 has 48 divisors (see below), whose sum is σ = 1277640. Its totient is φ = 111744.

The previous prime is 455123. The next prime is 455149. The reversal of 455130 is 31554.

It can be written as a sum of positive squares in 4 ways, for example, as 221841 + 233289 = 471^2 + 483^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976 + ... + 1364.

2455130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638820).

455130 is an abundant number, since it is smaller than the sum of its proper divisors (822510).

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

455130 is a wasteful number, since it uses less digits than its factorization.

455130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 455130 is about 674.6332336907. The cubic root of 455130 is about 76.9210412282.

Adding to 455130 its reverse (31554), we get a palindrome (486684).

It can be divided in two parts, 455 and 130, that added together give a palindrome (585).

The spelling of 455130 in words is "four hundred fifty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 389 390 585 778 1167 1170 1945 2334 3501 3890 5057 5835 7002 10114 11670 15171 17505 25285 30342 35010 45513 50570 75855 91026 151710 227565 455130