Search a number
-
+
142262237 = 13971011117
BaseRepresentation
bin10000111101010…
…11111111011101
3100220200200002202
420132223333131
5242404342422
622041101245
73345131465
oct1036537735
9326620082
10142262237
11733377a7
123b787825
132361cc50
1414c72ba5
15c751b92
hex87abfdd

142262237 has 16 divisors (see below), whose sum is σ = 156457392. Its totient is φ = 128563200.

The previous prime is 142262231. The next prime is 142262243. The reversal of 142262237 is 732262241.

It is an interprime number because it is at equal distance from previous prime (142262231) and next prime (142262243).

It can be written as a sum of positive squares in 8 ways, for example, as 6446521 + 135815716 = 2539^2 + 11654^2 .

It is a cyclic number.

It is not a de Polignac number, because 142262237 - 24 = 142262221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142262231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126803 + ... + 127919.

It is an arithmetic number, because the mean of its divisors is an integer number (9778587).

Almost surely, 2142262237 is an apocalyptic number.

It is an amenable number.

142262237 is a deficient number, since it is larger than the sum of its proper divisors (14195155).

142262237 is a wasteful number, since it uses less digits than its factorization.

142262237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328.

The product of its digits is 8064, while the sum is 29.

The square root of 142262237 is about 11927.3734325710. The cubic root of 142262237 is about 522.0313014900.

The spelling of 142262237 in words is "one hundred forty-two million, two hundred sixty-two thousand, two hundred thirty-seven".

Divisors: 1 13 97 101 1117 1261 1313 9797 14521 108349 112817 127361 1408537 1466621 10943249 142262237