Search a number
-
+
5245240 = 23571113131
BaseRepresentation
bin10100000000100100111000
3100212111010011
4110000210320
52320321430
6304231304
762404150
oct24004470
910774104
105245240
112a62910
12190b534
1311185c0
149a7760
156d922a
hex500938

5245240 has 128 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 1497600.

The previous prime is 5245223. The next prime is 5245241. The reversal of 5245240 is 425425.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39975 + ... + 40105.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

Almost surely, 25245240 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 5245240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7983360).

5245240 is an abundant number, since it is smaller than the sum of its proper divisors (10721480).

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

5245240 is a wasteful number, since it uses less digits than its factorization.

5245240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5245240 is about 2290.2488947710. The cubic root of 5245240 is about 173.7487897368.

The spelling of 5245240 in words is "five million, two hundred forty-five thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 11 13 14 20 22 26 28 35 40 44 52 55 56 65 70 77 88 91 104 110 130 131 140 143 154 182 220 260 262 280 286 308 364 385 440 455 520 524 572 616 655 715 728 770 910 917 1001 1048 1144 1310 1430 1441 1540 1703 1820 1834 2002 2620 2860 2882 3080 3406 3640 3668 4004 4585 5005 5240 5720 5764 6812 7205 7336 8008 8515 9170 10010 10087 11528 11921 13624 14410 17030 18340 18733 20020 20174 23842 28820 34060 36680 37466 40040 40348 47684 50435 57640 59605 68120 74932 80696 93665 95368 100870 119210 131131 149864 187330 201740 238420 262262 374660 403480 476840 524524 655655 749320 1049048 1311310 2622620 5245240