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1400302213 = 8316871111
BaseRepresentation
bin101001101110110…
…1110101010000101
310121120220201111221
41103131232222011
510331434132323
6350541200341
746462241512
oct12335565205
93546821457
101400302213
11659485862
12330b600b1
131941561bb
14d3d90309
1582e0455d
hex5376ea85

1400302213 has 4 divisors (see below), whose sum is σ = 1417173408. Its totient is φ = 1383431020.

The previous prime is 1400302199. The next prime is 1400302247. The reversal of 1400302213 is 3122030041.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3122030041 = 13240156157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1400302213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400302513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8435473 + ... + 8435638.

It is an arithmetic number, because the mean of its divisors is an integer number (354293352).

Almost surely, 21400302213 is an apocalyptic number.

It is an amenable number.

1400302213 is a deficient number, since it is larger than the sum of its proper divisors (16871195).

1400302213 is an equidigital number, since it uses as much as digits as its factorization.

1400302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16871194.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1400302213 is about 37420.6121409044. The cubic root of 1400302213 is about 1118.7694320855.

Adding to 1400302213 its reverse (3122030041), we get a palindrome (4522332254).

The spelling of 1400302213 in words is "one billion, four hundred million, three hundred two thousand, two hundred thirteen".

Divisors: 1 83 16871111 1400302213