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142373403 = 3319277531
BaseRepresentation
bin10000111110001…
…11001000011011
3100220220022121000
420133013020123
5242421422103
622043320043
73346103544
oct1037071033
9326808530
10142373403
1173403277
123b820023
132365b723
1414ca14cb
15c774aa3
hex87c721b

142373403 has 16 divisors (see below), whose sum is σ = 222025600. Its totient is φ = 89919720.

The previous prime is 142373393. The next prime is 142373411. The reversal of 142373403 is 304373241.

142373403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142373403 - 26 = 142373339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142372403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138253 + ... + 139278.

It is an arithmetic number, because the mean of its divisors is an integer number (13876600).

Almost surely, 2142373403 is an apocalyptic number.

142373403 is a deficient number, since it is larger than the sum of its proper divisors (79652197).

142373403 is a wasteful number, since it uses less digits than its factorization.

142373403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277559 (or 277553 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 142373403 is about 11932.0326432674. The cubic root of 142373403 is about 522.1672406394.

The spelling of 142373403 in words is "one hundred forty-two million, three hundred seventy-three thousand, four hundred three".

Divisors: 1 3 9 19 27 57 171 513 277531 832593 2497779 5273089 7493337 15819267 47457801 142373403