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142953 = 3172803
BaseRepresentation
bin100010111001101001
321021002120
4202321221
514033303
63021453
71133526
oct427151
9237076
10142953
1198448
126a889
13500b5
143a14d
152c553
hex22e69

142953 has 8 divisors (see below), whose sum is σ = 201888. Its totient is φ = 89664.

The previous prime is 142949. The next prime is 142963. The reversal of 142953 is 359241.

142953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142953 - 22 = 142949 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142953.

It is not an unprimeable number, because it can be changed into a prime (142903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (25236).

2142953 is an apocalyptic number.

It is an amenable number.

142953 is a deficient number, since it is larger than the sum of its proper divisors (58935).

142953 is a wasteful number, since it uses less digits than its factorization.

142953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823.

The product of its digits is 1080, while the sum is 24.

The square root of 142953 is about 378.0912588252. The cubic root of 142953 is about 52.2874855963.

The spelling of 142953 in words is "one hundred forty-two thousand, nine hundred fifty-three".

Divisors: 1 3 17 51 2803 8409 47651 142953