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1404404344 = 23729864781
BaseRepresentation
bin101001110110101…
…1000001001111000
310121212122010120201
41103231120021320
510334011414334
6351205131544
746542145210
oct12355301170
93555563521
101404404344
11660827852
123323b9bb4
13194c613b5
14d473b240
1583464c14
hex53b58278

1404404344 has 32 divisors (see below), whose sum is σ = 3113215200. Its totient is φ = 581132160.

The previous prime is 1404404333. The next prime is 1404404363. The reversal of 1404404344 is 4434044041.

It is a super-2 number, since 2×14044043442 = 3944703122892140672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 430767 + ... + 434014.

It is an arithmetic number, because the mean of its divisors is an integer number (97287975).

Almost surely, 21404404344 is an apocalyptic number.

1404404344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1404404344 is an abundant number, since it is smaller than the sum of its proper divisors (1708810856).

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

1404404344 is a wasteful number, since it uses less digits than its factorization.

1404404344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864823 (or 864819 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1404404344 is about 37475.3831734914. The cubic root of 1404404344 is about 1119.8608309221.

Adding to 1404404344 its reverse (4434044041), we get a palindrome (5838448385).

The spelling of 1404404344 in words is "one billion, four hundred four million, four hundred four thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 864781 1729562 3459124 6053467 6918248 12106934 24213868 25078649 48427736 50157298 100314596 175550543 200629192 351101086 702202172 1404404344