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1404268992 = 26327379413
BaseRepresentation
bin101001110110011…
…0111000111000000
310121212101020220200
41103230313013000
510333443101432
6351202205200
746541042460
oct12354670700
93555336820
101404268992
11660745095
12332353800
13194c148c9
14d4703ba0
1583439a7c
hex53b371c0

1404268992 has 168 divisors, whose sum is σ = 4724924256. Its totient is φ = 390334464.

The previous prime is 1404268981. The next prime is 1404268997. The reversal of 1404268992 is 2998624041.

1404268992 is a `hidden beast` number, since 140 + 426 + 89 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404268997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144478 + ... + 153890.

Almost surely, 21404268992 is an apocalyptic number.

1404268992 is a gapful number since it is divisible by the number (12) 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 1404268992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362462128).

1404268992 is an abundant number, since it is smaller than the sum of its proper divisors (3320655264).

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

1404268992 is a wasteful number, since it uses less digits than its factorization.

1404268992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475 (or 9462 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1404268992 is about 37473.5772511779. The cubic root of 1404268992 is about 1119.8248535643.

The spelling of 1404268992 in words is "one billion, four hundred four million, two hundred sixty-eight thousand, nine hundred ninety-two".