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142002041 = 3137123803
BaseRepresentation
bin10000111011011…
…00011101111001
3100220012110011212
420131230131321
5242323031131
622031332505
73342666056
oct1035543571
9326173155
10142002041
117317a265
123b681135
132355b69c
1414c0602d
15c6eea2b
hex876c779

142002041 has 8 divisors (see below), whose sum is σ = 150545664. Its totient is φ = 133706160.

The previous prime is 142002031. The next prime is 142002043. The reversal of 142002041 is 140200241.

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

It is a de Polignac number, because none of the positive numbers 2k-142002041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142002043) 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, 60755 + ... + 63048.

It is an arithmetic number, because the mean of its divisors is an integer number (18818208).

Almost surely, 2142002041 is an apocalyptic number.

It is an amenable number.

142002041 is a deficient number, since it is larger than the sum of its proper divisors (8543623).

142002041 is a wasteful number, since it uses less digits than its factorization.

142002041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123871.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 142002041 is about 11916.4609259629. The cubic root of 142002041 is about 521.7128441715.

Adding to 142002041 its reverse (140200241), we get a palindrome (282202282).

The spelling of 142002041 in words is "one hundred forty-two million, two thousand, forty-one".

Divisors: 1 31 37 1147 123803 3837893 4580711 142002041