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5245130450 = 252723897321
BaseRepresentation
bin1001110001010001…
…00101011011010010
3111112112122020022202
410320220211123102
541220223133300
62224245203202
7243656605340
oct47050453322
914475566282
105245130450
11225181515a
121024700502
136578879b1
1437a870990
1520a727ad5
hex138a256d2

5245130450 has 96 divisors (see below), whose sum is σ = 11766746880. Its totient is φ = 1700582400.

The previous prime is 5245130447. The next prime is 5245130459. The reversal of 5245130450 is 540315425.

It is a super-2 number, since 2×52451304502 = 55022786875034405000, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5245130459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 712790 + ... + 720110.

It is an arithmetic number, because the mean of its divisors is an integer number (122570280).

Almost surely, 25245130450 is an apocalyptic number.

5245130450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5245130450 is an abundant number, since it is smaller than the sum of its proper divisors (6521616430).

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

5245130450 is a wasteful number, since it uses less digits than its factorization.

5245130450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7452 (or 7447 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5245130450 is about 72423.2728478905. The cubic root of 5245130450 is about 1737.4758011225.

Adding to 5245130450 its reverse (540315425), we get a palindrome (5785445875).

The spelling of 5245130450 in words is "five billion, two hundred forty-five million, one hundred thirty thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 50 70 89 115 161 175 178 230 322 350 445 575 623 805 890 1150 1246 1610 2047 2225 3115 4025 4094 4450 6230 7321 8050 10235 14329 14642 15575 20470 28658 31150 36605 51175 51247 71645 73210 102350 102494 143290 168383 183025 256235 336766 358225 366050 512470 651569 716450 841915 1178681 1281175 1303138 1683830 2357362 2562350 3257845 4209575 4560983 5893405 6515690 8419150 9121966 11786810 14986087 16289225 22804915 29467025 29972174 32578450 45609830 58934050 74930435 104902609 114024575 149860870 209805218 228049150 374652175 524513045 749304350 1049026090 2622565225 5245130450