Search a number
-
+
11475020 = 225718081
BaseRepresentation
bin101011110001…
…100001001100
3210120222202202
4223301201030
510414200040
61045541032
7166351604
oct53614114
923528682
1011475020
116528397
123a14778
1324ba06b
141749c04
15101a015
hexaf184c

11475020 has 24 divisors (see below), whose sum is σ = 24439968. Its totient is φ = 4524800.

The previous prime is 11475007. The next prime is 11475041. The reversal of 11475020 is 2057411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11474983 and 11475001.

It is a congruent number.

It is an unprimeable number.

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, 2621 + ... + 5460.

It is an arithmetic number, because the mean of its divisors is an integer number (1018332).

Almost surely, 211475020 is an apocalyptic number.

11475020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11475020 is an abundant number, since it is smaller than the sum of its proper divisors (12964948).

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

11475020 is a wasteful number, since it uses less digits than its factorization.

11475020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161 (or 8159 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 11475020 is about 3387.4798892392. The cubic root of 11475020 is about 225.5543204716.

The spelling of 11475020 in words is "eleven million, four hundred seventy-five thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 8081 16162 32324 40405 80810 161620 573751 1147502 2295004 2868755 5737510 11475020