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5245520 = 2457171929
BaseRepresentation
bin10100000000101001010000
3100212111111112
4110000221100
52320324040
6304232452
762405030
oct24005120
910774445
105245520
112a63045
12190b728
131118777
149a78c0
156d9365
hex500a50

5245520 has 160 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 1548288.

The previous prime is 5245511. The next prime is 5245523. The reversal of 5245520 is 255425.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180866 + ... + 180894.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

Almost surely, 25245520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5245520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8035200).

5245520 is an abundant number, since it is smaller than the sum of its proper divisors (10824880).

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

5245520 is a wasteful number, since it uses less digits than its factorization.

5245520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5245520 is about 2290.3100226825. The cubic root of 5245520 is about 173.7518813522.

The spelling of 5245520 in words is "five million, two hundred forty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 17 19 20 28 29 34 35 38 40 56 58 68 70 76 80 85 95 112 116 119 133 136 140 145 152 170 190 203 232 238 266 272 280 290 304 323 340 380 406 464 476 493 532 551 560 580 595 646 665 680 760 812 952 986 1015 1064 1102 1160 1190 1292 1330 1360 1520 1615 1624 1904 1972 2030 2128 2204 2261 2320 2380 2465 2584 2660 2755 3230 3248 3451 3857 3944 4060 4408 4522 4760 4930 5168 5320 5510 6460 6902 7714 7888 8120 8816 9044 9367 9520 9860 10640 11020 11305 12920 13804 15428 16240 17255 18088 18734 19285 19720 22040 22610 25840 27608 30856 34510 36176 37468 38570 39440 44080 45220 46835 55216 61712 65569 69020 74936 77140 90440 93670 131138 138040 149872 154280 180880 187340 262276 276080 308560 327845 374680 524552 655690 749360 1049104 1311380 2622760 5245520