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455230140 = 223510517219
BaseRepresentation
bin11011001000100…
…100001010111100
31011201121002100120
4123020210022330
51413014331030
6113101054540
714165251401
oct3310441274
91151532316
10455230140
11213a69162
12108557450
137340b461
14446602a8
1529e73010
hex1b2242bc

455230140 has 48 divisors (see below), whose sum is σ = 1276033920. Its totient is φ = 121262400.

The previous prime is 455230073. The next prime is 455230163. The reversal of 455230140 is 41032554.

It is a self number, because there is not a number n which added to its sum of digits gives 455230140.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59451 + ... + 66669.

It is an arithmetic number, because the mean of its divisors is an integer number (26584040).

Almost surely, 2455230140 is an apocalyptic number.

It is an amenable number.

455230140 is an abundant number, since it is smaller than the sum of its proper divisors (820803780).

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

455230140 is a wasteful number, since it uses less digits than its factorization.

455230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282 (or 8280 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 455230140 is about 21336.1228905347. The cubic root of 455230140 is about 769.2668233306.

Adding to 455230140 its reverse (41032554), we get a palindrome (496262694).

The spelling of 455230140 in words is "four hundred fifty-five million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1051 2102 3153 4204 5255 6306 7219 10510 12612 14438 15765 21020 21657 28876 31530 36095 43314 63060 72190 86628 108285 144380 216570 433140 7587169 15174338 22761507 30348676 37935845 45523014 75871690 91046028 113807535 151743380 227615070 455230140