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1430040708 = 223239723353
BaseRepresentation
bin101010100111100…
…1011000010000100
310200122212121001200
41111033023002010
510412042300313
6353522422500
750303100615
oct12517130204
93618777050
101430040708
11674247828
1233ab01a30
1319a369145
14d7cd1c0c
158582ab73
hex553cb084

1430040708 has 18 divisors (see below), whose sum is σ = 3614825214. Its totient is φ = 476680224.

The previous prime is 1430040679. The next prime is 1430040743. The reversal of 1430040708 is 8070400341.

It can be written as a sum of positive squares in only one way, i.e., 1418426244 + 11614464 = 37662^2 + 3408^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19861641 + ... + 19861712.

It is an arithmetic number, because the mean of its divisors is an integer number (200823623).

Almost surely, 21430040708 is an apocalyptic number.

1430040708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1430040708 is an abundant number, since it is smaller than the sum of its proper divisors (2184784506).

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

1430040708 is a wasteful number, since it uses less digits than its factorization.

1430040708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39723363 (or 39723358 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1430040708 is about 37815.8790457131. The cubic root of 1430040708 is about 1126.6338618103.

The spelling of 1430040708 in words is "one billion, four hundred thirty million, forty thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 39723353 79446706 119170059 158893412 238340118 357510177 476680236 715020354 1430040708