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11430155 = 511207821
BaseRepresentation
bin101011100110…
…100100001011
3210111201020002
4223212210023
510411231110
61044553215
7166104032
oct53464413
923451202
1011430155
1164a7710
1239b280b
1324a2809
141737719
15100baa5
hexae690b

11430155 has 8 divisors (see below), whose sum is σ = 14963184. Its totient is φ = 8312800.

The previous prime is 11430101. The next prime is 11430157. The reversal of 11430155 is 55103411.

11430155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11430155 - 212 = 11426059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11430157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103856 + ... + 103965.

It is an arithmetic number, because the mean of its divisors is an integer number (1870398).

Almost surely, 211430155 is an apocalyptic number.

11430155 is a deficient number, since it is larger than the sum of its proper divisors (3533029).

11430155 is a wasteful number, since it uses less digits than its factorization.

11430155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207837.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11430155 is about 3380.8512241742. The cubic root of 11430155 is about 225.2599793230.

Adding to 11430155 its reverse (55103411), we get a palindrome (66533566).

The spelling of 11430155 in words is "eleven million, four hundred thirty thousand, one hundred fifty-five".

Divisors: 1 5 11 55 207821 1039105 2286031 11430155