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1044213401 = 71171409467
BaseRepresentation
bin111110001111010…
…110111010011001
32200202212112111102
4332033112322121
54114304312101
6251341041145
734606444640
oct7617267231
92622775442
101044213401
11496481a90
122518561b5
1313844a76a
149c97a357
1561a1686b
hex3e3d6e99

1044213401 has 32 divisors (see below), whose sum is σ = 1326274560. Its totient is φ = 798537600.

The previous prime is 1044213397. The next prime is 1044213407. The reversal of 1044213401 is 1043124401.

It is not a de Polignac number, because 1044213401 - 22 = 1044213397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1044213407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2235770 + ... + 2236236.

It is an arithmetic number, because the mean of its divisors is an integer number (41446080).

Almost surely, 21044213401 is an apocalyptic number.

1044213401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1044213401 is a deficient number, since it is larger than the sum of its proper divisors (282061159).

1044213401 is a wasteful number, since it uses less digits than its factorization.

1044213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1044213401 is about 32314.2909716429. The cubic root of 1044213401 is about 1014.5257803988.

Adding to 1044213401 its reverse (1043124401), we get a palindrome (2087337802).

The spelling of 1044213401 in words is "one billion, forty-four million, two hundred thirteen thousand, four hundred one".

Divisors: 1 7 11 71 77 409 467 497 781 2863 3269 4499 5137 5467 29039 31493 33157 35959 191003 203273 232099 319429 364727 1337021 2101033 2236003 2553089 13561213 14707231 94928491 149173343 1044213401