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142055103 = 3471007483
BaseRepresentation
bin10000111011110…
…01011010111111
3100220022010222010
420131321122333
5242331230403
622032422303
73343306551
oct1035713277
9326263863
10142055103
1173206113
123b6a7993
1323579898
1414c1b4d1
15c710603
hex87796bf

142055103 has 8 divisors (see below), whose sum is σ = 193436928. Its totient is φ = 92688344.

The previous prime is 142055059. The next prime is 142055131. The reversal of 142055103 is 301550241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142055103 - 210 = 142054079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142055103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142055143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503601 + ... + 503882.

It is an arithmetic number, because the mean of its divisors is an integer number (24179616).

Almost surely, 2142055103 is an apocalyptic number.

142055103 is a deficient number, since it is larger than the sum of its proper divisors (51381825).

142055103 is a wasteful number, since it uses less digits than its factorization.

142055103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007533.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 142055103 is about 11918.6871340765. The cubic root of 142055103 is about 521.7778190112. Note that the first 3 decimals are identical.

The spelling of 142055103 in words is "one hundred forty-two million, fifty-five thousand, one hundred three".

Divisors: 1 3 47 141 1007483 3022449 47351701 142055103