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142222241 = 7101201163
BaseRepresentation
bin10000111101000…
…10001110100001
3100220121122020102
420132202032201
5242402102431
622040152145
73344604050
oct1036421641
9326548212
10142222241
117330a747
123b768655
1323607995
1414c62397
15c744dcb
hex87a23a1

142222241 has 8 divisors (see below), whose sum is σ = 164149824. Its totient is φ = 120697200.

The previous prime is 142222231. The next prime is 142222261.

142222241 is nontrivially palindromic in base 10.

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 142222241 - 214 = 142205857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142222211) 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, 99875 + ... + 101288.

It is an arithmetic number, because the mean of its divisors is an integer number (20518728).

Almost surely, 2142222241 is an apocalyptic number.

It is an amenable number.

142222241 is a deficient number, since it is larger than the sum of its proper divisors (21927583).

142222241 is a wasteful number, since it uses less digits than its factorization.

142222241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201271.

The product of its digits is 512, while the sum is 20.

The square root of 142222241 is about 11925.6966672811. The cubic root of 142222241 is about 521.9823751285.

The spelling of 142222241 in words is "one hundred forty-two million, two hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 7 101 707 201163 1408141 20317463 142222241