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1420622506 = 21096516617
BaseRepresentation
bin101010010101100…
…1111101010101010
310200000011002201101
41110223033222222
510402134410011
6352544512014
750130043402
oct12453175252
93600132641
101420622506
116699a4796
1233791b60a
1319841c344
14d695d802
1584aba2c1
hex54acfaaa

1420622506 has 8 divisors (see below), whose sum is σ = 2150483940. Its totient is φ = 703794528.

The previous prime is 1420622501. The next prime is 1420622537. The reversal of 1420622506 is 6052260241.

It can be written as a sum of positive squares in 2 ways, for example, as 1420611481 + 11025 = 37691^2 + 105^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1420622501) 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, 3258091 + ... + 3258526.

Almost surely, 21420622506 is an apocalyptic number.

1420622506 is a deficient number, since it is larger than the sum of its proper divisors (729861434).

1420622506 is a wasteful number, since it uses less digits than its factorization.

1420622506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516728.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1420622506 is about 37691.1462547904. The cubic root of 1420622506 is about 1124.1550873460.

Adding to 1420622506 its reverse (6052260241), we get a palindrome (7472882747).

The spelling of 1420622506 in words is "one billion, four hundred twenty million, six hundred twenty-two thousand, five hundred six".

Divisors: 1 2 109 218 6516617 13033234 710311253 1420622506