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1404143430 = 23546804781
BaseRepresentation
bin101001110110001…
…1000011101000110
310121212010212200020
41103230120131012
510333430042210
6351155400010
746540010424
oct12354303506
93555125606
101404143430
11660669818
123322b3006
13194b9c701
14d46b0114
1583412770
hex53b18746

1404143430 has 16 divisors (see below), whose sum is σ = 3369944304. Its totient is φ = 374438240.

The previous prime is 1404143387. The next prime is 1404143437. The reversal of 1404143430 is 343414041.

It is a self number, because there is not a number n which added to its sum of digits gives 1404143430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404143437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23402361 + ... + 23402420.

It is an arithmetic number, because the mean of its divisors is an integer number (210621519).

Almost surely, 21404143430 is an apocalyptic number.

1404143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1404143430 is an abundant number, since it is smaller than the sum of its proper divisors (1965800874).

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

1404143430 is a wasteful number, since it uses less digits than its factorization.

1404143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46804791.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1404143430 is about 37471.9018732703. The cubic root of 1404143430 is about 1119.7914763789.

Adding to 1404143430 its reverse (343414041), we get a palindrome (1747557471).

The spelling of 1404143430 in words is "one billion, four hundred four million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 46804781 93609562 140414343 234023905 280828686 468047810 702071715 1404143430