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11301661 = 779107191
BaseRepresentation
bin101011000111…
…001100011101
3210021011222001
4223013030131
510343123121
61042122301
7165030310
oct53071435
923234861
1011301661
11641a118
123950391
132459197
141702977
15ed3991
hexac731d

11301661 has 16 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 9425520.

The previous prime is 11301659. The next prime is 11301683. The reversal of 11301661 is 16610311.

11301661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11301661 - 21 = 11301659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59076 + ... + 59266.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 211301661 is an apocalyptic number.

It is an amenable number.

11301661 is a deficient number, since it is larger than the sum of its proper divisors (1969379).

11301661 is a wasteful number, since it uses less digits than its factorization.

11301661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11301661 is about 3361.7943125658. The cubic root of 11301661 is about 224.4126971420.

Adding to 11301661 its reverse (16610311), we get a palindrome (27911972).

The spelling of 11301661 in words is "eleven million, three hundred one thousand, six hundred sixty-one".

Divisors: 1 7 79 107 191 553 749 1337 8453 15089 20437 59171 105623 143059 1614523 11301661