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1321025214 = 23220170869
BaseRepresentation
bin100111010111101…
…0011111010111110
310102001202000220210
41032233103322332
510201140301324
6335030053250
744510346315
oct11657237276
93361660823
101321025214
11618758883
1230a4aa226
131808b9c32
14c763527c
157ae94d29
hex4ebd3ebe

1321025214 has 8 divisors (see below), whose sum is σ = 2642050440. Its totient is φ = 440341736.

The previous prime is 1321025143. The next prime is 1321025243. The reversal of 1321025214 is 4125201231.

It is a sphenic number, since it is the product of 3 distinct primes.

1321025214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110085429 + ... + 110085440.

It is an arithmetic number, because the mean of its divisors is an integer number (330256305).

Almost surely, 21321025214 is an apocalyptic number.

1321025214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321025214 is a wasteful number, since it uses less digits than its factorization.

1321025214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220170874.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1321025214 is about 36345.9105540087. The cubic root of 1321025214 is about 1097.2452319671.

Adding to 1321025214 its reverse (4125201231), we get a palindrome (5446226445).

The spelling of 1321025214 in words is "one billion, three hundred twenty-one million, twenty-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 220170869 440341738 660512607 1321025214