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201432430 = 2520143243
BaseRepresentation
bin11000000000110…
…01110101101110
3112001000211100101
430000121311232
5403031314210
631553221314
74664101363
oct1400316556
9461024311
10201432430
11a3781191
125756183a
13329692b4
141ca7646a
1512a3da3a
hexc019d6e

201432430 has 8 divisors (see below), whose sum is σ = 362578392. Its totient is φ = 80572968.

The previous prime is 201432391. The next prime is 201432437. The reversal of 201432430 is 34234102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201432398 and 201432407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201432437) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10071612 + ... + 10071631.

It is an arithmetic number, because the mean of its divisors is an integer number (45322299).

Almost surely, 2201432430 is an apocalyptic number.

201432430 is a deficient number, since it is larger than the sum of its proper divisors (161145962).

201432430 is a wasteful number, since it uses less digits than its factorization.

201432430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20143250.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 201432430 is about 14192.6893152778. The cubic root of 201432430 is about 586.1963779392.

Adding to 201432430 its reverse (34234102), we get a palindrome (235666532).

The spelling of 201432430 in words is "two hundred one million, four hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 20143243 40286486 100716215 201432430