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1420727946 = 231121526181
BaseRepresentation
bin101010010101110…
…1001011010001010
310200000100110100120
41110223221122022
510402201243241
6352551044110
750130662661
oct12453513212
93600313316
101420727946
11669a66a30
12337970636
13198458331
14d6989dd8
1584adb666
hex54ae968a

1420727946 has 16 divisors (see below), whose sum is σ = 3099770208. Its totient is φ = 430523600.

The previous prime is 1420727933. The next prime is 1420727947. The reversal of 1420727946 is 6497270241.

It is a junction number, because it is equal to n+sod(n) for n = 1420727898 and 1420727907.

It is not an unprimeable number, because it can be changed into a prime (1420727947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10763025 + ... + 10763156.

It is an arithmetic number, because the mean of its divisors is an integer number (193735638).

Almost surely, 21420727946 is an apocalyptic number.

1420727946 is an abundant number, since it is smaller than the sum of its proper divisors (1679042262).

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

1420727946 is a wasteful number, since it uses less digits than its factorization.

1420727946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21526197.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1420727946 is about 37692.5449658152. The cubic root of 1420727946 is about 1124.1828986235.

The spelling of 1420727946 in words is "one billion, four hundred twenty million, seven hundred twenty-seven thousand, nine hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 21526181 43052362 64578543 129157086 236787991 473575982 710363973 1420727946