Search a number
-
+
11030420 = 2253117791
BaseRepresentation
bin101010000100…
…111110010100
3202202101220002
4222010332110
510310433140
61032230432
7162520442
oct52047624
922671802
1011030420
116254355
12383b418
13239289b
141671b92
15e7d415
hexa84f94

11030420 has 24 divisors (see below), whose sum is σ = 23912448. Its totient is φ = 4269600.

The previous prime is 11030407. The next prime is 11030423. The reversal of 11030420 is 2403011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030423) 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, 8276 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (996352).

Almost surely, 211030420 is an apocalyptic number.

11030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11030420 is an abundant number, since it is smaller than the sum of its proper divisors (12882028).

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

11030420 is a wasteful number, since it uses less digits than its factorization.

11030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831 (or 17829 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 11030420 is about 3321.2076116979. The cubic root of 11030420 is about 222.6028308927.

Adding to 11030420 its reverse (2403011), we get a palindrome (13433431).

The spelling of 11030420 in words is "eleven million, thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 17791 35582 71164 88955 177910 355820 551521 1103042 2206084 2757605 5515210 11030420