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1044405131 = 71113563703
BaseRepresentation
bin111110010000000…
…101101110001011
32200210020021111112
4332100011232023
54114331431011
6251345120535
734611203630
oct7620055613
92623207445
101044405131
114965a3040
1225192914b
131384b6b03
149c9ca187
1561a5358b
hex3e405b8b

1044405131 has 8 divisors (see below), whose sum is σ = 1302115584. Its totient is φ = 813822120.

The previous prime is 1044405127. The next prime is 1044405139. The reversal of 1044405131 is 1315044401.

1044405131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1044405131 - 22 = 1044405127 is a prime.

It is a super-2 number, since 2×10444051312 = 2181564155318254322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1044405097 and 1044405106.

It is not an unprimeable number, because it can be changed into a prime (1044405139) 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, 6781775 + ... + 6781928.

It is an arithmetic number, because the mean of its divisors is an integer number (162764448).

Almost surely, 21044405131 is an apocalyptic number.

1044405131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1044405131 is a deficient number, since it is larger than the sum of its proper divisors (257710453).

1044405131 is a wasteful number, since it uses less digits than its factorization.

1044405131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563721.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1044405131 is about 32317.2574795573. The cubic root of 1044405131 is about 1014.5878695988.

Adding to 1044405131 its reverse (1315044401), we get a palindrome (2359449532).

The spelling of 1044405131 in words is "one billion, forty-four million, four hundred five thousand, one hundred thirty-one".

Divisors: 1 7 11 77 13563703 94945921 149200733 1044405131