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142722079 = 2913735923
BaseRepresentation
bin10001000000111…
…00010000011111
3100221120000212221
420200130100133
5243014101304
622055010211
73352055233
oct1040342037
9327500787
10142722079
1173621235
123b969967
1323751346
1414d525c3
15c7e3054
hex881c41f

142722079 has 8 divisors (see below), whose sum is σ = 148725360. Its totient is φ = 136790976.

The previous prime is 142722071. The next prime is 142722101. The reversal of 142722079 is 970227241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142722079 - 23 = 142722071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142722071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13989 + ... + 21934.

It is an arithmetic number, because the mean of its divisors is an integer number (18590670).

Almost surely, 2142722079 is an apocalyptic number.

142722079 is a deficient number, since it is larger than the sum of its proper divisors (6003281).

142722079 is a wasteful number, since it uses less digits than its factorization.

142722079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36089.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 142722079 is about 11946.6346307234. The cubic root of 142722079 is about 522.5931599798.

The spelling of 142722079 in words is "one hundred forty-two million, seven hundred twenty-two thousand, seventy-nine".

Divisors: 1 29 137 3973 35923 1041767 4921451 142722079