Search a number
-
+
5211072 = 263283109
BaseRepresentation
bin10011111000001111000000
3100210202020200
4103320033000
52313223242
6303405200
762202426
oct23701700
910722220
105211072
112a3a179
1218b3800
131105b99
14999116
156ce04c
hex4f83c0

5211072 has 84 divisors (see below), whose sum is σ = 15255240. Its totient is φ = 1700352.

The previous prime is 5211071. The next prime is 5211083. The reversal of 5211072 is 2701125.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47754 + ... + 47862.

It is an arithmetic number, because the mean of its divisors is an integer number (181610).

Almost surely, 25211072 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 5211072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7627620).

5211072 is an abundant number, since it is smaller than the sum of its proper divisors (10044168).

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

5211072 is a wasteful number, since it uses less digits than its factorization.

5211072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 5211072 is about 2282.7772558881. Note that the first 3 decimals coincide. The cubic root of 5211072 is about 173.3706954305.

Adding to 5211072 its reverse (2701125), we get a palindrome (7912197).

The spelling of 5211072 in words is "five million, two hundred eleven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 83 96 109 144 166 192 218 249 288 327 332 436 498 576 654 664 747 872 981 996 1308 1328 1494 1744 1962 1992 2616 2656 2988 3488 3924 3984 5232 5312 5976 6976 7848 7968 9047 10464 11952 15696 15936 18094 20928 23904 27141 31392 36188 47808 54282 62784 72376 81423 108564 144752 162846 217128 289504 325692 434256 579008 651384 868512 1302768 1737024 2605536 5211072