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1923042 = 231129137
BaseRepresentation
bin111010101011111100010
310121200220210
413111133202
5443014132
6105114550
722226352
oct7253742
93550823
101923042
1110a38a0
12788a56
135243c4
14380b62
1527ebcc
hex1d57e2

1923042 has 16 divisors (see below), whose sum is σ = 4195872. Its totient is φ = 582720.

The previous prime is 1923037. The next prime is 1923049. The reversal of 1923042 is 2403291.

It is not an unprimeable number, because it can be changed into a prime (1923049) 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 7 ways as a sum of consecutive naturals, for example, 14503 + ... + 14634.

It is an arithmetic number, because the mean of its divisors is an integer number (262242).

21923042 is an apocalyptic number.

1923042 is an abundant number, since it is smaller than the sum of its proper divisors (2272830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1923042 is a wasteful number, since it uses less digits than its factorization.

1923042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29153.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1923042 is about 1386.7378988115. The cubic root of 1923042 is about 124.3549058890.

Subtracting 1923042 from its reverse (2403291), we obtain a square (480249 = 6932).

The spelling of 1923042 in words is "one million, nine hundred twenty-three thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 29137 58274 87411 174822 320507 641014 961521 1923042