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142702065 = 325111915173
BaseRepresentation
bin10001000000101…
…11010111110001
3100221112000102200
420200113113301
5243012431230
622054333413
73351643002
oct1040272761
9327460380
10142702065
11736081a0
123b95a269
13237451bc
1414d491a9
15c7dc160
hex88175f1

142702065 has 48 divisors (see below), whose sum is σ = 284057280. Its totient is φ = 65543040.

The previous prime is 142702057. The next prime is 142702067. The reversal of 142702065 is 560207241.

It is not a de Polignac number, because 142702065 - 23 = 142702057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142702067) 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 47 ways as a sum of consecutive naturals, for example, 1819 + ... + 16991.

It is an arithmetic number, because the mean of its divisors is an integer number (5917860).

Almost surely, 2142702065 is an apocalyptic number.

142702065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142702065 is a deficient number, since it is larger than the sum of its proper divisors (141355215).

142702065 is a wasteful number, since it uses less digits than its factorization.

142702065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214 (or 15211 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 142702065 is about 11945.7969596005. The cubic root of 142702065 is about 522.5687309905.

It can be divided in two parts, 142 and 702065, that added together give a palindrome (702207).

The spelling of 142702065 in words is "one hundred forty-two million, seven hundred two thousand, sixty-five".

Divisors: 1 3 5 9 11 15 19 33 45 55 57 95 99 165 171 209 285 495 627 855 1045 1881 3135 9405 15173 45519 75865 136557 166903 227595 288287 500709 682785 834515 864861 1441435 1502127 2503545 2594583 3171157 4324305 7510635 9513471 12972915 15855785 28540413 47567355 142702065