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142070047 = 737548533
BaseRepresentation
bin10000111011111…
…01000100011111
3100220022220110121
420131331010133
5242332220142
622033015411
73343401250
oct1035750437
9326286417
10142070047
1173216369
123b6b4567
1323583622
1414c22b27
15c714c67
hex877d11f

142070047 has 8 divisors (see below), whose sum is σ = 166754336. Its totient is φ = 118482912.

The previous prime is 142070029. The next prime is 142070059. The reversal of 142070047 is 740070241.

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 142070047 - 211 = 142067999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142070947) 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, 274008 + ... + 274525.

It is an arithmetic number, because the mean of its divisors is an integer number (20844292).

Almost surely, 2142070047 is an apocalyptic number.

142070047 is a deficient number, since it is larger than the sum of its proper divisors (24684289).

142070047 is an equidigital number, since it uses as much as digits as its factorization.

142070047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548577.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 142070047 is about 11919.3140322755. The cubic root of 142070047 is about 521.7961151375.

The spelling of 142070047 in words is "one hundred forty-two million, seventy thousand, forty-seven".

Divisors: 1 7 37 259 548533 3839731 20295721 142070047