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432100145 = 5292980001
BaseRepresentation
bin11001110000010…
…101001100110001
31010010001221222002
4121300111030301
51341104201040
6110513223345
713464535121
oct3160251461
91103057862
10432100145
11201a00264
12100861b55
136b6a0479
144155cc81
1527e04a15
hex19c15331

432100145 has 8 divisors (see below), whose sum is σ = 536400360. Its totient is φ = 333760000.

The previous prime is 432100117. The next prime is 432100153. The reversal of 432100145 is 541001234.

It can be written as a sum of positive squares in 4 ways, for example, as 790321 + 431309824 = 889^2 + 20768^2 .

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

It is not a de Polignac number, because 432100145 - 216 = 432034609 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1489856 + ... + 1490145.

It is an arithmetic number, because the mean of its divisors is an integer number (67050045).

Almost surely, 2432100145 is an apocalyptic number.

It is an amenable number.

432100145 is a deficient number, since it is larger than the sum of its proper divisors (104300215).

432100145 is a wasteful number, since it uses less digits than its factorization.

432100145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980035.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 432100145 is about 20787.0186655037. The cubic root of 432100145 is about 756.0110396800.

Adding to 432100145 its reverse (541001234), we get a palindrome (973101379).

The spelling of 432100145 in words is "four hundred thirty-two million, one hundred thousand, one hundred forty-five".

Divisors: 1 5 29 145 2980001 14900005 86420029 432100145