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142722295 = 531920789
BaseRepresentation
bin10001000000111…
…00010011110111
3100221120001011221
420200130103313
5243014103140
622055011211
73352055662
oct1040342367
9327501157
10142722295
1173621411
123b969b07
1323751481
1414d526d9
15c7e314a
hex881c4f7

142722295 has 8 divisors (see below), whose sum is σ = 176791680. Its totient is φ = 110494560.

The previous prime is 142722287. The next prime is 142722313. The reversal of 142722295 is 592227241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142722295 - 23 = 142722287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142722295.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 460240 + ... + 460549.

It is an arithmetic number, because the mean of its divisors is an integer number (22098960).

Almost surely, 2142722295 is an apocalyptic number.

142722295 is a deficient number, since it is larger than the sum of its proper divisors (34069385).

142722295 is an equidigital number, since it uses as much as digits as its factorization.

142722295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920825.

The product of its digits is 20160, while the sum is 34.

The square root of 142722295 is about 11946.6436709228. The cubic root of 142722295 is about 522.5934236159.

The spelling of 142722295 in words is "one hundred forty-two million, seven hundred twenty-two thousand, two hundred ninety-five".

Divisors: 1 5 31 155 920789 4603945 28544459 142722295