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144202703 = 294972507
BaseRepresentation
bin10001001100001…
…01101111001111
3101001100020220212
420212011233033
5243403441303
622150433035
73400463021
oct1046055717
9331306825
10144202703
1174442697
124036277b
1323b4c258
141521a011
15c9d6ad8
hex8985bcf

144202703 has 4 divisors (see below), whose sum is σ = 149175240. Its totient is φ = 139230168.

The previous prime is 144202697. The next prime is 144202753. The reversal of 144202703 is 307202441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144202703 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 (144202753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2486225 + ... + 2486282.

It is an arithmetic number, because the mean of its divisors is an integer number (37293810).

Almost surely, 2144202703 is an apocalyptic number.

144202703 is a deficient number, since it is larger than the sum of its proper divisors (4972537).

144202703 is an equidigital number, since it uses as much as digits as its factorization.

144202703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972536.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 144202703 is about 12008.4429881646. The cubic root of 144202703 is about 524.3941043385.

The spelling of 144202703 in words is "one hundred forty-four million, two hundred two thousand, seven hundred three".

Divisors: 1 29 4972507 144202703