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103004442 = 23223594217
BaseRepresentation
bin1100010001110…
…11100100011010
321011211011112100
412020323210122
5202332120232
614115424230
72360344332
oct610734432
9234734470
10103004442
1153163842
122a5b5076
1318456198
14d9740c2
159099c7c
hex623b91a

103004442 has 48 divisors (see below), whose sum is σ = 236882880. Its totient is φ = 32277696.

The previous prime is 103004437. The next prime is 103004449. The reversal of 103004442 is 244400301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103004449) 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 23 ways as a sum of consecutive naturals, for example, 22318 + ... + 26534.

It is an arithmetic number, because the mean of its divisors is an integer number (4935060).

Almost surely, 2103004442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103004442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118441440).

103004442 is an abundant number, since it is smaller than the sum of its proper divisors (133878438).

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

103004442 is a wasteful number, since it uses less digits than its factorization.

103004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 103004442 is about 10149.1104043655. The cubic root of 103004442 is about 468.7615532086.

Adding to 103004442 its reverse (244400301), we get a palindrome (347404743).

The spelling of 103004442 in words is "one hundred three million, four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 23 46 59 69 118 138 177 207 354 414 531 1062 1357 2714 4071 4217 8142 8434 12213 12651 24426 25302 37953 75906 96991 193982 248803 290973 497606 581946 746409 872919 1492818 1745838 2239227 4478454 5722469 11444938 17167407 34334814 51502221 103004442