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1679500442 = 25771455373
BaseRepresentation
bin110010000011011…
…0010010010011010
311100001021110111002
41210012302102122
511414423003232
6434353305002
756422342514
oct14406622232
94301243432
101679500442
117920415a4
123aa565162
13209c4c959
1411d0aabb4
159c6a4b62
hex641b249a

1679500442 has 8 divisors (see below), whose sum is σ = 2523618516. Its totient is φ = 838294272.

The previous prime is 1679500441. The next prime is 1679500447. The reversal of 1679500442 is 2440059761.

It can be written as a sum of positive squares in 2 ways, for example, as 1679442361 + 58081 = 40981^2 + 241^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1679500396 and 1679500405.

It is not an unprimeable number, because it can be changed into a prime (1679500441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726533 + ... + 728840.

Almost surely, 21679500442 is an apocalyptic number.

1679500442 is a deficient number, since it is larger than the sum of its proper divisors (844118074).

1679500442 is a wasteful number, since it uses less digits than its factorization.

1679500442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455952.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1679500442 is about 40981.7086271424. The cubic root of 1679500442 is about 1188.6665481666. Note that the first 3 decimals are identical.

The spelling of 1679500442 in words is "one billion, six hundred seventy-nine million, five hundred thousand, four hundred forty-two".

Divisors: 1 2 577 1154 1455373 2910746 839750221 1679500442