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144634403 = 1953143629
BaseRepresentation
bin10001001111011…
…11001000100011
3101002011012002202
420213233020203
5244011300103
622204003415
73404241434
oct1047571043
9332135082
10144634403
1174707a71
124053056b
1323c708b4
14152cd48b
15ca6e988
hex89ef223

144634403 has 8 divisors (see below), whose sum is σ = 155120400. Its totient is φ = 134435808.

The previous prime is 144634367. The next prime is 144634409. The reversal of 144634403 is 304436441.

144634403 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 a cyclic number.

It is not a de Polignac number, because 144634403 - 218 = 144372259 is a prime.

It is a super-2 number, since 2×1446344032 = 41838221062332818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144634409) 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, 70808 + ... + 72821.

It is an arithmetic number, because the mean of its divisors is an integer number (19390050).

Almost surely, 2144634403 is an apocalyptic number.

144634403 is a deficient number, since it is larger than the sum of its proper divisors (10485997).

144634403 is a wasteful number, since it uses less digits than its factorization.

144634403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143701.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 144634403 is about 12026.4044086335. The cubic root of 144634403 is about 524.9168763332.

The spelling of 144634403 in words is "one hundred forty-four million, six hundred thirty-four thousand, four hundred three".

Divisors: 1 19 53 1007 143629 2728951 7612337 144634403