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142627047 = 3106144809
BaseRepresentation
bin10001000000001…
…01000011100111
3100221101012112020
420200011003213
5243003031142
622052554223
73351211203
oct1040050347
9327335466
10142627047
11735668a2
123b922973
132371a004
1414d29b03
15c7c4cec
hex88050e7

142627047 has 8 divisors (see below), whose sum is σ = 190352880. Its totient is φ = 94992960.

The previous prime is 142627027. The next prime is 142627073. The reversal of 142627047 is 740726241.

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

It is not a de Polignac number, because 142627047 - 26 = 142626983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142626999 and 142627017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142627007) 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, 19222 + ... + 25587.

It is an arithmetic number, because the mean of its divisors is an integer number (23794110).

Almost surely, 2142627047 is an apocalyptic number.

142627047 is a deficient number, since it is larger than the sum of its proper divisors (47725833).

142627047 is a wasteful number, since it uses less digits than its factorization.

142627047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45873.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 142627047 is about 11942.6566140034. The cubic root of 142627047 is about 522.4771440595.

The spelling of 142627047 in words is "one hundred forty-two million, six hundred twenty-seven thousand, forty-seven".

Divisors: 1 3 1061 3183 44809 134427 47542349 142627047