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1400201321 = 2459569419
BaseRepresentation
bin101001101110101…
…0110000001101001
310121120201121010012
41103131112001221
510331422420241
6350535101305
746461341411
oct12335260151
93546647105
101400201321
11659416a82
12330b11835
1319411c2bc
14d3d65641
1582dd46eb
hex53756069

1400201321 has 4 divisors (see below), whose sum is σ = 1400773200. Its totient is φ = 1399629444.

The previous prime is 1400201317. The next prime is 1400201353. The reversal of 1400201321 is 1231020041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400201321 - 22 = 1400201317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400201296 and 1400201305.

It is not an unprimeable number, because it can be changed into a prime (1400206321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282251 + ... + 287168.

It is an arithmetic number, because the mean of its divisors is an integer number (350193300).

Almost surely, 21400201321 is an apocalyptic number.

It is an amenable number.

1400201321 is a deficient number, since it is larger than the sum of its proper divisors (571879).

1400201321 is an equidigital number, since it uses as much as digits as its factorization.

1400201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571878.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1400201321 is about 37419.2640360550. The cubic root of 1400201321 is about 1118.7425622676.

Adding to 1400201321 its reverse (1231020041), we get a palindrome (2631221362).

The spelling of 1400201321 in words is "one billion, four hundred million, two hundred one thousand, three hundred twenty-one".

Divisors: 1 2459 569419 1400201321