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1340823001 = 7717433631
BaseRepresentation
bin100111111101011…
…0101010111011001
310110102222212101011
41033322311113121
510221222314001
6341014253521
745140543650
oct11772652731
93412885334
101340823001
11628950191
123150572a1
13184a2c2bb
14ca10a197
157caa5d51
hex4feb55d9

1340823001 has 16 divisors (see below), whose sum is σ = 1556471808. Its totient is φ = 1131253200.

The previous prime is 1340822999. The next prime is 1340823007. The reversal of 1340823001 is 1003280431.

It is not a de Polignac number, because 1340823001 - 21 = 1340822999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340823007) 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, 367456 + ... + 371086.

It is an arithmetic number, because the mean of its divisors is an integer number (97279488).

Almost surely, 21340823001 is an apocalyptic number.

It is an amenable number.

1340823001 is a deficient number, since it is larger than the sum of its proper divisors (215648807).

1340823001 is an equidigital number, since it uses as much as digits as its factorization.

1340823001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1340823001 is about 36617.2500469383. The cubic root of 1340823001 is about 1102.6994309830.

The spelling of 1340823001 in words is "one billion, three hundred forty million, eight hundred twenty-three thousand, one".

Divisors: 1 7 71 497 743 3631 5201 25417 52753 257801 369271 1804607 2697833 18884831 191546143 1340823001