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514001909 = 1683130539
BaseRepresentation
bin11110101000110…
…000101111110101
31022211012000001202
4132220300233311
52023041030114
6123000502245
715510641561
oct3650605765
91284160052
10514001909
11244160273
1212417a985
1382648355
144c39c6a1
15301d1cde
hex1ea30bf5

514001909 has 4 divisors (see below), whose sum is σ = 514049280. Its totient is φ = 513954540.

The previous prime is 514001899. The next prime is 514001963. The reversal of 514001909 is 909100415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-514001909 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 (514000909) 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 3 ways as a sum of consecutive naturals, for example, 1562 + ... + 32100.

It is an arithmetic number, because the mean of its divisors is an integer number (128512320).

Almost surely, 2514001909 is an apocalyptic number.

It is an amenable number.

514001909 is a deficient number, since it is larger than the sum of its proper divisors (47371).

514001909 is a wasteful number, since it uses less digits than its factorization.

514001909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47370.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 514001909 is about 22671.6101986604. The cubic root of 514001909 is about 801.0413049544.

The spelling of 514001909 in words is "five hundred fourteen million, one thousand, nine hundred nine".

Divisors: 1 16831 30539 514001909