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5143820 = 22511103227
BaseRepresentation
bin10011100111110100001100
3100200022222212
4103213310030
52304100240
6302125552
761502363
oct23476414
910608885
105143820
1129a36a0
1218808b8
1310b13a6
1497c7da
156b9165
hex4e7d0c

5143820 has 48 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 1844160.

The previous prime is 5143807. The next prime is 5143837. The reversal of 5143820 is 283415.

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, 22547 + ... + 22773.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 25143820 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 5143820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5975424).

5143820 is an abundant number, since it is smaller than the sum of its proper divisors (6807028).

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

5143820 is a wasteful number, since it uses less digits than its factorization.

5143820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5143820 is about 2267.9991181656. Note that the first 3 decimals coincide. The cubic root of 5143820 is about 172.6216463244.

It can be divided in two parts, 514 and 3820, that added together give a palindrome (4334).

The spelling of 5143820 in words is "five million, one hundred forty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 103 110 206 220 227 412 454 515 908 1030 1133 1135 2060 2266 2270 2497 4532 4540 4994 5665 9988 11330 12485 22660 23381 24970 46762 49940 93524 116905 233810 257191 467620 514382 1028764 1285955 2571910 5143820