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11742101 = 71677443
BaseRepresentation
bin101100110010…
…101110010101
3211002120010122
4230302232111
511001221401
61055401325
7201543350
oct54625625
924076118
1011742101
1166a0018
123b23245
1325817b7
1417b9297
15106e21b
hexb32b95

11742101 has 4 divisors (see below), whose sum is σ = 13419552. Its totient is φ = 10064652.

The previous prime is 11742089. The next prime is 11742109. The reversal of 11742101 is 10124711.

11742101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11742101 - 210 = 11741077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11742101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742109) 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 3 ways as a sum of consecutive naturals, for example, 838715 + ... + 838728.

It is an arithmetic number, because the mean of its divisors is an integer number (3354888).

Almost surely, 211742101 is an apocalyptic number.

It is an amenable number.

11742101 is a deficient number, since it is larger than the sum of its proper divisors (1677451).

11742101 is an equidigital number, since it uses as much as digits as its factorization.

11742101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677450.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 11742101 is about 3426.6749189265. The cubic root of 11742101 is about 227.2908418580.

Adding to 11742101 its reverse (10124711), we get a palindrome (21866812).

The spelling of 11742101 in words is "eleven million, seven hundred forty-two thousand, one hundred one".

Divisors: 1 7 1677443 11742101