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511032401 = 11311149381
BaseRepresentation
bin11110011101011…
…011110001010001
31022121121010122222
4132131123301101
52021311014101
6122413110425
715443463245
oct3635336121
91277533588
10511032401
11242512230
12123188415
1381b48849
144bc28425
152ece701b
hex1e75bc51

511032401 has 8 divisors (see below), whose sum is σ = 559286208. Its totient is φ = 463078000.

The previous prime is 511032391. The next prime is 511032463. The reversal of 511032401 is 104230115.

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

It is a de Polignac number, because none of the positive numbers 2k-511032401 is a prime.

It is a super-2 number, since 2×5110324012 = 522308229743649602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 511032401.

It is not an unprimeable number, because it can be changed into a prime (511032491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71270 + ... + 78111.

It is an arithmetic number, because the mean of its divisors is an integer number (69910776).

Almost surely, 2511032401 is an apocalyptic number.

It is an amenable number.

511032401 is a deficient number, since it is larger than the sum of its proper divisors (48253807).

511032401 is a wasteful number, since it uses less digits than its factorization.

511032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149703.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 511032401 is about 22606.0257674807. The cubic root of 511032401 is about 799.4957243869.

Adding to 511032401 its reverse (104230115), we get a palindrome (615262516).

The spelling of 511032401 in words is "five hundred eleven million, thirty-two thousand, four hundred one".

Divisors: 1 11 311 3421 149381 1643191 46457491 511032401