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142285417 = 1974911471
BaseRepresentation
bin10000111101100…
…01101001101001
3100220201211220021
420132301221221
5242411113132
622041400441
73345256201
oct1036615151
9326654807
10142285417
117335315a
123b799121
132362a671
1414c7b401
15c758997
hex87b1a69

142285417 has 8 divisors (see below), whose sum is σ = 143396352. Its totient is φ = 141178800.

The previous prime is 142285391. The next prime is 142285441. The reversal of 142285417 is 714582241.

142285417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142285417 - 211 = 142283369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142285447) 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, 95992 + ... + 97462.

It is an arithmetic number, because the mean of its divisors is an integer number (17924544).

Almost surely, 2142285417 is an apocalyptic number.

It is an amenable number.

142285417 is a deficient number, since it is larger than the sum of its proper divisors (1110935).

142285417 is a wasteful number, since it uses less digits than its factorization.

142285417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its digits is 17920, while the sum is 34.

The square root of 142285417 is about 11928.3451073483. The cubic root of 142285417 is about 522.0596529548.

The spelling of 142285417 in words is "one hundred forty-two million, two hundred eighty-five thousand, four hundred seventeen".

Divisors: 1 197 491 1471 96727 289787 722261 142285417