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1420460780 = 22571023039
BaseRepresentation
bin101010010101010…
…1000001011101100
310122222211212212112
41110222220023230
510402114221110
6352541223152
750125501034
oct12452501354
93588755775
101420460780
116698a4232
12337861ab8
1319839384b
14d691a8c4
1584a87405
hex54aa82ec

1420460780 has 12 divisors (see below), whose sum is σ = 2982967680. Its totient is φ = 568184304.

The previous prime is 1420460779. The next prime is 1420460801. The reversal of 1420460780 is 870640241.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35511500 + ... + 35511539.

It is an arithmetic number, because the mean of its divisors is an integer number (248580640).

Almost surely, 21420460780 is an apocalyptic number.

1420460780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420460780 is an abundant number, since it is smaller than the sum of its proper divisors (1562506900).

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

1420460780 is a wasteful number, since it uses less digits than its factorization.

1420460780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71023048 (or 71023046 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1420460780 is about 37689.0007827217. Note that the first 3 decimals coincide. The cubic root of 1420460780 is about 1124.1124271732.

The spelling of 1420460780 in words is "one billion, four hundred twenty million, four hundred sixty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 71023039 142046078 284092156 355115195 710230390 1420460780