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452245313320 = 23553254983689
BaseRepresentation
bin1101001010010111110…
…10111101011100101000
31121020022202100021110021
412211023322331130220
524402144300011240
6543431510330224
744450026510513
oct6451372753450
91536282307407
10452245313320
11164883764599
1273794059974
1333853616818
1417c62ba7d7a
15bb6d45b54a
hex694bebd728

452245313320 has 64 divisors (see below), whose sum is σ = 1037170170000. Its totient is φ = 177413203968.

The previous prime is 452245313263. The next prime is 452245313321. The reversal of 452245313320 is 23313542254.

It can be written as a sum of positive squares in 8 ways, for example, as 411576137764 + 40669175556 = 641542^2 + 201666^2 .

It is not an unprimeable number, because it can be changed into a prime (452245313321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5362036 + ... + 5445724.

Almost surely, 2452245313320 is an apocalyptic number.

452245313320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452245313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518585085000).

452245313320 is an abundant number, since it is smaller than the sum of its proper divisors (584924856680).

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

452245313320 is a wasteful number, since it uses less digits than its factorization.

452245313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86302 (or 86298 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 452245313320 its reverse (23313542254), we get a palindrome (475558855574).

The spelling of 452245313320 in words is "four hundred fifty-two billion, two hundred forty-five million, three hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 2549 5098 10196 12745 20392 25490 50980 83689 101960 135097 167378 270194 334756 418445 540388 669512 675485 836890 1080776 1350970 1673780 2701940 3347560 4435517 5403880 8871034 17742068 22177585 35484136 44355170 88710340 177420680 213323261 426646522 853293044 1066616305 1706586088 2133232610 4266465220 8532930440 11306132833 22612265666 45224531332 56530664165 90449062664 113061328330 226122656660 452245313320