Search a number
-
+
5491270 = 254491223
BaseRepresentation
bin10100111100101001000110
3101022222121101
4110330221012
52401210040
6313410314
764450351
oct24745106
911288541
105491270
113110744
121a0999a
1311a3595
14a2d298
1573709a
hex53ca46

5491270 has 16 divisors (see below), whose sum is σ = 9914400. Its totient is φ = 2189824.

The previous prime is 5491261. The next prime is 5491271. The reversal of 5491270 is 721945.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491271) 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, 3879 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (619650).

Almost surely, 25491270 is an apocalyptic number.

5491270 is a deficient number, since it is larger than the sum of its proper divisors (4423130).

5491270 is a wasteful number, since it uses less digits than its factorization.

5491270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 5491270 is about 2343.3458984964. The cubic root of 5491270 is about 176.4239735484.

The spelling of 5491270 in words is "five million, four hundred ninety-one thousand, two hundred seventy".

Divisors: 1 2 5 10 449 898 1223 2245 2446 4490 6115 12230 549127 1098254 2745635 5491270