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1304440041 = 31931738223
BaseRepresentation
bin100110111000000…
…0010110011101001
310100220112102100010
41031300002303221
510132414040131
6333234402133
744216362122
oct11560026351
93326472303
101304440041
1160a360123
12304a30349
1317a330c18
14c5359049
15797bab46
hex4dc02ce9

1304440041 has 16 divisors (see below), whose sum is σ = 1889853440. Its totient is φ = 797279760.

The previous prime is 1304440037. The next prime is 1304440057. The reversal of 1304440041 is 1400444031.

It is not a de Polignac number, because 1304440041 - 22 = 1304440037 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 (1304440091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367345 + ... + 370878.

It is an arithmetic number, because the mean of its divisors is an integer number (118115840).

Almost surely, 21304440041 is an apocalyptic number.

It is an amenable number.

1304440041 is a deficient number, since it is larger than the sum of its proper divisors (585413399).

1304440041 is a wasteful number, since it uses less digits than its factorization.

1304440041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738276.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1304440041 is about 36117.0325608292. The cubic root of 1304440041 is about 1092.6339914588.

Adding to 1304440041 its reverse (1400444031), we get a palindrome (2704884072).

The spelling of 1304440041 in words is "one billion, three hundred four million, four hundred forty thousand, forty-one".

Divisors: 1 3 19 31 57 93 589 1767 738223 2214669 14026237 22884913 42078711 68654739 434813347 1304440041