Search a number
-
+
11313428 = 227404051
BaseRepresentation
bin101011001010…
…000100010100
3210021210002212
4223022010110
510344012203
61042252552
7165106520
oct53120424
923253085
1011313428
116427a45
123957158
132461649
141706d80
15ed71d8
hexaca114

11313428 has 12 divisors (see below), whose sum is σ = 22626912. Its totient is φ = 4848600.

The previous prime is 11313409. The next prime is 11313457. The reversal of 11313428 is 82431311.

11313428 is an admirable number.

It is a super-2 number, since 2×113134282 = 255987306222368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201998 + ... + 202053.

It is an arithmetic number, because the mean of its divisors is an integer number (1885576).

Almost surely, 211313428 is an apocalyptic number.

It is an amenable number.

11313428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11313428 is a wasteful number, since it uses less digits than its factorization.

11313428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404062 (or 404060 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 11313428 is about 3363.5439643329. The cubic root of 11313428 is about 224.4905543783.

Adding to 11313428 its reverse (82431311), we get a palindrome (93744739).

The spelling of 11313428 in words is "eleven million, three hundred thirteen thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 404051 808102 1616204 2828357 5656714 11313428