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11905042 = 221128211
BaseRepresentation
bin101101011010…
…100000010010
3211101211122111
4231122200102
511021430132
61103055534
7203122402
oct55324022
924354574
1011905042
1167a1486
123ba15aa
13260aa06
14181c802
1510a2647
hexb5a812

11905042 has 8 divisors (see below), whose sum is σ = 17942832. Its totient is φ = 5924100.

The previous prime is 11905037. The next prime is 11905043. The reversal of 11905042 is 24050911.

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

It is not an unprimeable number, because it can be changed into a prime (11905043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13684 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (2242854).

Almost surely, 211905042 is an apocalyptic number.

11905042 is a deficient number, since it is larger than the sum of its proper divisors (6037790).

11905042 is a wasteful number, since it uses less digits than its factorization.

11905042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28424.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11905042 is about 3450.3683861292. The cubic root of 11905042 is about 228.3373609439.

Adding to 11905042 its reverse (24050911), we get a palindrome (35955953).

The spelling of 11905042 in words is "eleven million, nine hundred five thousand, forty-two".

Divisors: 1 2 211 422 28211 56422 5952521 11905042