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23103442 = 2175312821
BaseRepresentation
bin101100000100…
…0011111010010
31121110202222001
41120020133102
521403302232
62143104214
7400242655
oct130103722
947422861
1023103442
111204aa5a
1278a206a
134a2bb9b
1430d589c
1520656e7
hex16087d2

23103442 has 16 divisors (see below), whose sum is σ = 37388952. Its totient is φ = 10666240.

The previous prime is 23103439. The next prime is 23103467. The reversal of 23103442 is 24430132.

It can be written as a sum of positive squares in 4 ways, for example, as 19527561 + 3575881 = 4419^2 + 1891^2 .

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, 4609 + ... + 8212.

Almost surely, 223103442 is an apocalyptic number.

23103442 is a deficient number, since it is larger than the sum of its proper divisors (14285510).

23103442 is a wasteful number, since it uses less digits than its factorization.

23103442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12893.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23103442 is about 4806.6039986668. The cubic root of 23103442 is about 284.8124014215.

Adding to 23103442 its reverse (24430132), we get a palindrome (47533574).

The spelling of 23103442 in words is "twenty-three million, one hundred three thousand, four hundred forty-two".

Divisors: 1 2 17 34 53 106 901 1802 12821 25642 217957 435914 679513 1359026 11551721 23103442