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142104301 = 841916879
BaseRepresentation
bin10000111100001…
…01011011101101
3100220101122110021
420132011123231
5242334314201
622033442141
73343603153
oct1036053355
9326348407
10142104301
117323a079
123b710351
13235960b1
1414c313d3
15c71eea1
hex87856ed

142104301 has 4 divisors (see below), whose sum is σ = 142129600. Its totient is φ = 142079004.

The previous prime is 142104271. The next prime is 142104307. The reversal of 142104301 is 103401241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103401241 = 127814183.

It is a cyclic number.

It is not a de Polignac number, because 142104301 - 29 = 142103789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142104307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21 + ... + 16858.

It is an arithmetic number, because the mean of its divisors is an integer number (35532400).

Almost surely, 2142104301 is an apocalyptic number.

It is an amenable number.

142104301 is a deficient number, since it is larger than the sum of its proper divisors (25299).

142104301 is an equidigital number, since it uses as much as digits as its factorization.

142104301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25298.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142104301 is about 11920.7508572237. The cubic root of 142104301 is about 521.8380478982.

Adding to 142104301 its reverse (103401241), we get a palindrome (245505542).

The spelling of 142104301 in words is "one hundred forty-two million, one hundred four thousand, three hundred one".

Divisors: 1 8419 16879 142104301