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428260301056 = 287258432
BaseRepresentation
bin1100011101101100100…
…11011001100100000000
31111221102012022102001201
412032312103121210000
524004034114113211
6524423504310544
742640455332200
oct6166623314400
91457365272051
10428260301056
11155695858905
126abbb612454
1331500467383
1416a29550400
15b21792b0c1
hex63b64d9900

428260301056 has 81 divisors (see below), whose sum is σ = 994584901611. Its totient is φ = 183508717056.

The previous prime is 428260300999. The next prime is 428260301057. The reversal of 428260301056 is 650103062824.

The square root of 428260301056 is 654416.

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

It is not an unprimeable number, because it can be changed into a prime (428260301057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73291671 + ... + 73297513.

Almost surely, 2428260301056 is an apocalyptic number.

428260301056 is the 654416-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428260301056

428260301056 is an abundant number, since it is smaller than the sum of its proper divisors (566324600555).

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

428260301056 is an frugal number, since it uses more digits than its factorization.

428260301056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

It can be divided in two parts, 428260 and 301056, that added together give a square (729316 = 8542).

The spelling of 428260301056 in words is "four hundred twenty-eight billion, two hundred sixty million, three hundred one thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 5843 6272 11686 12544 23372 40901 46744 81802 93488 163604 186976 286307 327208 373952 572614 654416 747904 1145228 1308832 1495808 2290456 2617664 4580912 5235328 9161824 10470656 18323648 34140649 36647296 68281298 73294592 136562596 238984543 273125192 477969086 546250384 955938172 1092500768 1672891801 1911876344 2185001536 3345783602 3823752688 4370003072 6691567204 7647505376 8740006144 13383134408 15295010752 26766268816 30590021504 53532537632 61180043008 107065075264 214130150528 428260301056