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142124403 = 3172786753
BaseRepresentation
bin10000111100010…
…10010101110011
3100220102200000210
420132022111303
5242340440103
622034115203
73344015601
oct1036122563
9326380023
10142124403
1173253193
123b71bb03
13235a22a5
1414c38871
15c725e03
hex878a573

142124403 has 8 divisors (see below), whose sum is σ = 200646288. Its totient is φ = 89176064.

The previous prime is 142124401. The next prime is 142124419. The reversal of 142124403 is 304421241.

142124403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142124403 - 21 = 142124401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142124403.

It is not an unprimeable number, because it can be changed into a prime (142124401) 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, 1393326 + ... + 1393427.

It is an arithmetic number, because the mean of its divisors is an integer number (25080786).

Almost surely, 2142124403 is an apocalyptic number.

142124403 is a deficient number, since it is larger than the sum of its proper divisors (58521885).

142124403 is a wasteful number, since it uses less digits than its factorization.

142124403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786773.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142124403 is about 11921.5939789946. The cubic root of 142124403 is about 521.8626530503.

Adding to 142124403 its reverse (304421241), we get a palindrome (446545644).

The spelling of 142124403 in words is "one hundred forty-two million, one hundred twenty-four thousand, four hundred three".

Divisors: 1 3 17 51 2786753 8360259 47374801 142124403