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142200407 is a prime number
BaseRepresentation
bin10000111100111…
…00111001010111
3100220120112021202
420132130321113
5242400403112
622035503115
73344453306
oct1036347127
9326515252
10142200407
11732a52a8
123b757a9b
13235caa6b
1414c5843d
15c73d6c2
hex879ce57

142200407 has 2 divisors, whose sum is σ = 142200408. Its totient is φ = 142200406.

The previous prime is 142200403. The next prime is 142200437. The reversal of 142200407 is 704002241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142200407 - 22 = 142200403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142200403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100203 + 71100204.

It is an arithmetic number, because the mean of its divisors is an integer number (71100204).

Almost surely, 2142200407 is an apocalyptic number.

142200407 is a deficient number, since it is larger than the sum of its proper divisors (1).

142200407 is an equidigital number, since it uses as much as digits as its factorization.

142200407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 142200407 is about 11924.7812139259. The cubic root of 142200407 is about 521.9556621325.

Adding to 142200407 its reverse (704002241), we get a palindrome (846202648).

The spelling of 142200407 in words is "one hundred forty-two million, two hundred thousand, four hundred seven".