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4520245520 = 245713735879
BaseRepresentation
bin1000011010110110…
…10111100100010000
3102200000122021010202
410031123113210100
533224140324040
62024312314332
7220005311240
oct41533274420
912600567122
104520245520
111a0a6193aa
12a619a29a8
135706448bb
1430c499b20
151b6c8c015
hex10d6d7910

4520245520 has 80 divisors (see below), whose sum is σ = 12021730560. Its totient is φ = 1548406272.

The previous prime is 4520245511. The next prime is 4520245547. The reversal of 4520245520 is 255420254.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×45202455202 = 40865239122160140800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765941 + ... + 771819.

It is an arithmetic number, because the mean of its divisors is an integer number (150271632).

Almost surely, 24520245520 is an apocalyptic number.

4520245520 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 4520245520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6010865280).

4520245520 is an abundant number, since it is smaller than the sum of its proper divisors (7501485040).

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

4520245520 is a wasteful number, since it uses less digits than its factorization.

4520245520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272 (or 7266 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 4520245520 is about 67232.7711759675. The cubic root of 4520245520 is about 1653.4358182367.

Adding to 4520245520 its reverse (255420254), we get a palindrome (4775665774).

The spelling of 4520245520 in words is "four billion, five hundred twenty million, two hundred forty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 1373 2746 5492 5879 6865 9611 10984 11758 13730 19222 21968 23516 27460 29395 38444 41153 47032 48055 54920 58790 76888 82306 94064 96110 109840 117580 153776 164612 192220 205765 235160 329224 384440 411530 470320 658448 768880 823060 1646120 3292240 8071867 16143734 32287468 40359335 56503069 64574936 80718670 113006138 129149872 161437340 226012276 282515345 322874680 452024552 565030690 645749360 904049104 1130061380 2260122760 4520245520