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2555254520 = 2357131936947
BaseRepresentation
bin1001100001001110…
…0001011011111000
320121002011101020022
42120103201123320
520213121121040
61101315550012
7120215206430
oct23023413370
96532141208
102555254520
1110a14135a5
125b38bb308
13319507430
141a35152c0
15ee4e26b5
hex984e16f8

2555254520 has 128 divisors (see below), whose sum is σ = 7448716800. Its totient is φ = 766112256.

The previous prime is 2555254519. The next prime is 2555254553. The reversal of 2555254520 is 254525552.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50687 + ... + 87633.

It is an arithmetic number, because the mean of its divisors is an integer number (58193100).

Almost surely, 22555254520 is an apocalyptic number.

2555254520 is a gapful number since it is divisible by the number (20) 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 2555254520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3724358400).

2555254520 is an abundant number, since it is smaller than the sum of its proper divisors (4893462280).

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

2555254520 is a wasteful number, since it uses less digits than its factorization.

2555254520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36997 (or 36993 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 2555254520 is about 50549.5254181481. The cubic root of 2555254520 is about 1367.1349577705.

The spelling of 2555254520 in words is "two billion, five hundred fifty-five million, two hundred fifty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 19 20 26 28 35 38 40 52 56 65 70 76 91 95 104 130 133 140 152 182 190 247 260 266 280 364 380 455 494 520 532 665 728 760 910 988 1064 1235 1330 1729 1820 1976 2470 2660 3458 3640 4940 5320 6916 8645 9880 13832 17290 34580 36947 69160 73894 147788 184735 258629 295576 369470 480311 517258 701993 738940 960622 1034516 1293145 1403986 1477880 1921244 2069032 2401555 2586290 2807972 3362177 3509965 3842488 4803110 4913951 5172580 5615944 6724354 7019930 9125909 9606220 9827902 10345160 13448708 14039860 16810885 18251818 19212440 19655804 24569755 26897416 28079720 33621770 36503636 39311608 45629545 49139510 63881363 67243540 73007272 91259090 98279020 127762726 134487080 182518180 196558040 255525452 319406815 365036360 511050904 638813630 1277627260 2555254520