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5131260 = 2232529983
BaseRepresentation
bin10011100100101111111100
3100122200202200
4103210233330
52303200020
6301551500
761420641
oct23445774
910580680
105131260
112995212
121875590
1310a8764
14977dc8
156b5590
hex4e4bfc

5131260 has 72 divisors (see below), whose sum is σ = 16117920. Its totient is φ = 1319808.

The previous prime is 5131253. The next prime is 5131267. The reversal of 5131260 is 621315.

It is an interprime number because it is at equal distance from previous prime (5131253) and next prime (5131267).

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 (5131267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4729 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (223860).

Almost surely, 25131260 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 5131260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8058960).

5131260 is an abundant number, since it is smaller than the sum of its proper divisors (10986660).

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

5131260 is a wasteful number, since it uses less digits than its factorization.

5131260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5131260 is about 2265.2284652988. The cubic root of 5131260 is about 172.4810313106.

Adding to 5131260 its reverse (621315), we get a palindrome (5752575).

The spelling of 5131260 in words is "five million, one hundred thirty-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 348 435 522 580 870 983 1044 1305 1740 1966 2610 2949 3932 4915 5220 5898 8847 9830 11796 14745 17694 19660 28507 29490 35388 44235 57014 58980 85521 88470 114028 142535 171042 176940 256563 285070 342084 427605 513126 570140 855210 1026252 1282815 1710420 2565630 5131260