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5272020 = 2233513751
BaseRepresentation
bin10100000111000111010100
3100220211212000
4110013013110
52322201040
6304555300
762545215
oct24070724
910824760
105272020
112a80a46
121922b30
131127850
149b340c
156e2130
hex5071d4

5272020 has 96 divisors (see below), whose sum is σ = 17687040. Its totient is φ = 1296000.

The previous prime is 5272013. The next prime is 5272021. The reversal of 5272020 is 202725.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5271984 and 5272002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5272021) 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, 6645 + ... + 7395.

It is an arithmetic number, because the mean of its divisors is an integer number (184240).

Almost surely, 25272020 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 5272020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8843520).

5272020 is an abundant number, since it is smaller than the sum of its proper divisors (12415020).

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

5272020 is a wasteful number, since it uses less digits than its factorization.

5272020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 5272020 is about 2296.0879774085. The cubic root of 5272020 is about 174.0439841244.

Adding to 5272020 its reverse (202725), we get a palindrome (5474745).

The spelling of 5272020 in words is "five million, two hundred seventy-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 260 270 351 390 468 540 585 702 751 780 1170 1404 1502 1755 2253 2340 3004 3510 3755 4506 6759 7020 7510 9012 9763 11265 13518 15020 19526 20277 22530 27036 29289 33795 39052 40554 45060 48815 58578 67590 81108 87867 97630 101385 117156 135180 146445 175734 195260 202770 263601 292890 351468 405540 439335 527202 585780 878670 1054404 1318005 1757340 2636010 5272020