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2556313600 = 21452792
BaseRepresentation
bin1001100001011110…
…0100000000000000
320121011011012000111
42120113210000000
520213404013400
61101354401104
7120230210221
oct23027440000
96534135014
102556313600
1110a1a77275
125b4130194
133197b84c9
141a370d248
15ee6513ba
hex985e4000

2556313600 has 135 divisors (see below), whose sum is σ = 6420726417. Its totient is φ = 1009582080.

The previous prime is 2556313577. The next prime is 2556313601. The reversal of 2556313600 is 63136552.

The square root of 2556313600 is 50560.

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

It can be written as a sum of positive squares in only one way, i.e., 920272896 + 1636040704 = 30336^2 + 40448^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556313601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32358361 + ... + 32358439.

Almost surely, 22556313600 is an apocalyptic number.

2556313600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2556313600 is the 50560-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2556313600

2556313600 is an abundant number, since it is smaller than the sum of its proper divisors (3864412817).

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

2556313600 is an frugal number, since it uses more digits than its factorization.

2556313600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The cubic root of 2556313600 is about 1367.3238111427.

The spelling of 2556313600 in words is "two billion, five hundred fifty-six million, three hundred thirteen thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 79 80 100 128 158 160 200 256 316 320 395 400 512 632 640 790 800 1024 1264 1280 1580 1600 1975 2048 2528 2560 3160 3200 3950 4096 5056 5120 6241 6320 6400 7900 8192 10112 10240 12482 12640 12800 15800 16384 20224 20480 24964 25280 25600 31205 31600 40448 40960 49928 50560 51200 62410 63200 80896 81920 99856 101120 102400 124820 126400 156025 161792 199712 202240 204800 249640 252800 312050 323584 399424 404480 409600 499280 505600 624100 647168 798848 808960 998560 1011200 1248200 1294336 1597696 1617920 1997120 2022400 2496400 3195392 3235840 3994240 4044800 4992800 6390784 6471680 7988480 8089600 9985600 12781568 15976960 16179200 19971200 25563136 31953920 32358400 39942400 51126272 63907840 79884800 102252544 127815680 159769600 255631360 319539200 511262720 639078400 1278156800 2556313600