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142952349 = 337234807
BaseRepresentation
bin10001000010101…
…00011110011101
3100221222201202110
420201110132131
5243043433344
622103544233
73354034461
oct1041243635
9327881673
10142952349
1173769241
123ba5b079
13238020b7
1414db24a1
15c83b3b9
hex885479d

142952349 has 12 divisors (see below), whose sum is σ = 195899424. Its totient is φ = 92723184.

The previous prime is 142952297. The next prime is 142952351. The reversal of 142952349 is 943259241.

It is not a de Polignac number, because 142952349 - 213 = 142944157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142952389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13297 + ... + 21510.

It is an arithmetic number, because the mean of its divisors is an integer number (16324952).

Almost surely, 2142952349 is an apocalyptic number.

It is an amenable number.

142952349 is a deficient number, since it is larger than the sum of its proper divisors (52947075).

142952349 is an equidigital number, since it uses as much as digits as its factorization.

142952349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34884 (or 34847 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 142952349 is about 11956.2681886950. The cubic root of 142952349 is about 522.8740622471.

The spelling of 142952349 in words is "one hundred forty-two million, nine hundred fifty-two thousand, three hundred forty-nine".

Divisors: 1 3 37 111 1369 4107 34807 104421 1287859 3863577 47650783 142952349