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450712900 = 22521121932
BaseRepresentation
bin11010110111010…
…101010101000100
31011102002120212101
4122313111111010
51410340303100
6112420201444
714111665531
oct3267252504
91142076771
10450712900
11211463300
12106b39284
13724b9331
1443c05d88
152987e86a
hex1add5544

450712900 has 81 divisors (see below), whose sum is σ = 1080642423. Its totient is φ = 163046400.

The previous prime is 450712897. The next prime is 450712903. The reversal of 450712900 is 9217054.

It is a happy number.

The square root of 450712900 is 21230.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (450712897) and next prime (450712903).

It can be written as a sum of positive squares in 4 ways, for example, as 72488196 + 378224704 = 8514^2 + 19448^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450712903) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2335204 + ... + 2335396.

Almost surely, 2450712900 is an apocalyptic number.

450712900 is the 21230-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450712900

450712900 is an abundant number, since it is smaller than the sum of its proper divisors (629929523).

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

450712900 is a wasteful number, since it uses less digits than its factorization.

450712900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The cubic root of 450712900 is about 766.7138870306.

Adding to 450712900 its reverse (9217054), we get a palindrome (459929954).

The spelling of 450712900 in words is "four hundred fifty million, seven hundred twelve thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 193 220 242 275 386 484 550 605 772 965 1100 1210 1930 2123 2420 3025 3860 4246 4825 6050 8492 9650 10615 12100 19300 21230 23353 37249 42460 46706 53075 74498 93412 106150 116765 148996 186245 212300 233530 372490 409739 467060 583825 744980 819478 931225 1167650 1638956 1862450 2048695 2335300 3724900 4097390 4507129 8194780 9014258 10243475 18028516 20486950 22535645 40973900 45071290 90142580 112678225 225356450 450712900