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1404141140 = 2252919712289
BaseRepresentation
bin101001110110001…
…0111111001010100
310121212010202112102
41103230113321110
510333430004030
6351155341232
746540000643
oct12354277124
93555122472
101404141140
11660668026
123322b1818
13194b9b65c
14d46ad35a
1583411c45
hex53b17e54

1404141140 has 48 divisors (see below), whose sum is σ = 3066109200. Its totient is φ = 539492352.

The previous prime is 1404141107. The next prime is 1404141223. The reversal of 1404141140 is 411414041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 241740304 + 1162400836 = 15548^2 + 34094^2 .

It is a super-2 number, since 2×14041411402 = 3943224682080999200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108116 + ... + 120404.

It is an arithmetic number, because the mean of its divisors is an integer number (63877275).

Almost surely, 21404141140 is an apocalyptic number.

1404141140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404141140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533054600).

1404141140 is an abundant number, since it is smaller than the sum of its proper divisors (1661968060).

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

1404141140 is a wasteful number, since it uses less digits than its factorization.

1404141140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524 (or 12522 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1404141140 is about 37471.8713170293. The cubic root of 1404141140 is about 1119.7908676273.

Adding to 1404141140 its reverse (411414041), we get a palindrome (1815555181).

The spelling of 1404141140 in words is "one billion, four hundred four million, one hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 197 290 394 580 788 985 1970 3940 5713 11426 12289 22852 24578 28565 49156 57130 61445 114260 122890 245780 356381 712762 1425524 1781905 2420933 3563810 4841866 7127620 9683732 12104665 24209330 48418660 70207057 140414114 280828228 351035285 702070570 1404141140