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1420465146 = 231061322307
BaseRepresentation
bin101010010101010…
…1001001111111010
310122222212002212020
41110222221033322
510402114341041
6352541255310
750125516542
oct12452511772
93588762766
101420465146
116698a7541
12337864536
13198395829
14d691c322
1584a88866
hex54aa93fa

1420465146 has 16 divisors (see below), whose sum is σ = 2841325344. Its totient is φ = 473422544.

The previous prime is 1420465133. The next prime is 1420465147. The reversal of 1420465146 is 6415640241.

It is not an unprimeable number, because it can be changed into a prime (1420465147) 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 7 ways as a sum of consecutive naturals, for example, 52525 + ... + 74831.

It is an arithmetic number, because the mean of its divisors is an integer number (177582834).

Almost surely, 21420465146 is an apocalyptic number.

1420465146 is an abundant number, since it is smaller than the sum of its proper divisors (1420860198).

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

1420465146 is a wasteful number, since it uses less digits than its factorization.

1420465146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32925.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1420465146 is about 37689.0587040855. The cubic root of 1420465146 is about 1124.1135788816.

The spelling of 1420465146 in words is "one billion, four hundred twenty million, four hundred sixty-five thousand, one hundred forty-six".

Divisors: 1 2 3 6 10613 21226 22307 31839 44614 63678 66921 133842 236744191 473488382 710232573 1420465146