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143004140 = 2257150207
BaseRepresentation
bin10001000011000…
…01000111101100
3100222002100210122
420201201013230
5243102113030
622105024112
73354341456
oct1041410754
9328070718
10143004140
11737a4144
123ba85038
132381c846
1414dc72d6
15c84b8e5
hex88611ec

143004140 has 12 divisors (see below), whose sum is σ = 300308736. Its totient is φ = 57201648.

The previous prime is 143004137. The next prime is 143004143. The reversal of 143004140 is 41400341.

It is an interprime number because it is at equal distance from previous prime (143004137) and next prime (143004143).

It is not an unprimeable number, because it can be changed into a prime (143004143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575084 + ... + 3575123.

It is an arithmetic number, because the mean of its divisors is an integer number (25025728).

Almost surely, 2143004140 is an apocalyptic number.

143004140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143004140 is an abundant number, since it is smaller than the sum of its proper divisors (157304596).

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

143004140 is a wasteful number, since it uses less digits than its factorization.

143004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150216 (or 7150214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 143004140 is about 11958.4338439446. The cubic root of 143004140 is about 522.9371996050.

Adding to 143004140 its reverse (41400341), we get a palindrome (184404481).

The spelling of 143004140 in words is "one hundred forty-three million, four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7150207 14300414 28600828 35751035 71502070 143004140