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1240104 = 233163317
BaseRepresentation
bin100101110110000101000
32100000002210
410232300220
5304140404
642325120
713353315
oct4566050
92300083
101240104
11777788
124b97a0
133455b8
14243d0c
15197689
hex12ec28

1240104 has 32 divisors (see below), whose sum is σ = 3129120. Its totient is φ = 409536.

The previous prime is 1240097. The next prime is 1240117. The reversal of 1240104 is 4010421.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1240104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3754 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (97785).

21240104 is an apocalyptic number.

It is an amenable number.

1240104 is an abundant number, since it is smaller than the sum of its proper divisors (1889016).

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

1240104 is a wasteful number, since it uses less digits than its factorization.

1240104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1240104 is about 1113.5995689654. The cubic root of 1240104 is about 107.4367105379.

Adding to 1240104 its reverse (4010421), we get a palindrome (5250525).

The spelling of 1240104 in words is "one million, two hundred forty thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 163 317 326 489 634 652 951 978 1268 1304 1902 1956 2536 3804 3912 7608 51671 103342 155013 206684 310026 413368 620052 1240104