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1428327007 = 3690138707
BaseRepresentation
bin101010100100010…
…1000101001011111
310200112122112022021
41111020220221133
510411122431012
6353422001011
750252402452
oct12510505137
93615575267
101428327007
11673287248
1233a416167
13199bb9113
14d79a7499
15855dd007
hex55228a5f

1428327007 has 4 divisors (see below), whose sum is σ = 1428402616. Its totient is φ = 1428251400.

The previous prime is 1428326993. The next prime is 1428327023. The reversal of 1428327007 is 7007238241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1428327007 - 211 = 1428324959 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 (1428327107) 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, 17548 + ... + 56254.

It is an arithmetic number, because the mean of its divisors is an integer number (357100654).

Almost surely, 21428327007 is an apocalyptic number.

1428327007 is a deficient number, since it is larger than the sum of its proper divisors (75609).

1428327007 is an equidigital number, since it uses as much as digits as its factorization.

1428327007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75608.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1428327007 is about 37793.2137691411. The cubic root of 1428327007 is about 1126.1836449488.

The spelling of 1428327007 in words is "one billion, four hundred twenty-eight million, three hundred twenty-seven thousand, seven".

Divisors: 1 36901 38707 1428327007