Search a number
-
+
5291240 = 235179739
BaseRepresentation
bin10100001011110011101000
3100221211012212
4110023303220
52323304430
6305224252
762655233
oct24136350
910854185
105291240
112a94429
121932088
131133516
149ba41a
156e7b95
hex50bce8

5291240 has 32 divisors (see below), whose sum is σ = 11988000. Its totient is φ = 2101824.

The previous prime is 5291227. The next prime is 5291249. The reversal of 5291240 is 421925.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5291249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6791 + ... + 7529.

It is an arithmetic number, because the mean of its divisors is an integer number (374625).

Almost surely, 25291240 is an apocalyptic number.

It is an amenable number.

5291240 is an abundant number, since it is smaller than the sum of its proper divisors (6696760).

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

5291240 is a wasteful number, since it uses less digits than its factorization.

5291240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5291240 is about 2300.2695494224. The cubic root of 5291240 is about 174.2552294360.

The spelling of 5291240 in words is "five million, two hundred ninety-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 179 358 716 739 895 1432 1478 1790 2956 3580 3695 5912 7160 7390 14780 29560 132281 264562 529124 661405 1058248 1322810 2645620 5291240