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142305351 = 3173677603
BaseRepresentation
bin10000111101101…
…10100001000111
3100220202212020120
420132312201013
5242412232401
622042033023
73345401256
oct1036664107
9326685216
10142305351
1173367131
123b7a8773
1323636766
1414c8479d
15c75e836
hex87b6847

142305351 has 16 divisors (see below), whose sum is σ = 201475584. Its totient is φ = 89034624.

The previous prime is 142305343. The next prime is 142305391. The reversal of 142305351 is 153503241.

142305351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142305351 - 23 = 142305343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142305341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14916 + ... + 22518.

It is an arithmetic number, because the mean of its divisors is an integer number (12592224).

Almost surely, 2142305351 is an apocalyptic number.

142305351 is a deficient number, since it is larger than the sum of its proper divisors (59170233).

142305351 is a wasteful number, since it uses less digits than its factorization.

142305351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 142305351 is about 11929.1806508243. The cubic root of 142305351 is about 522.0840317735.

Adding to 142305351 its reverse (153503241), we get a palindrome (295808592).

The spelling of 142305351 in words is "one hundred forty-two million, three hundred five thousand, three hundred fifty-one".

Divisors: 1 3 17 51 367 1101 6239 7603 18717 22809 129251 387753 2790301 8370903 47435117 142305351