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514821149 = 1730283597
BaseRepresentation
bin11110101011111…
…000110000011101
31022212201121211222
4132223320300131
52023243234044
6123030223125
715520623203
oct3653706035
91285647758
10514821149
1124466a827
121244b4aa5
13828741cb
144c533073
15302e48ee
hex1eaf8c1d

514821149 has 4 divisors (see below), whose sum is σ = 545104764. Its totient is φ = 484537536.

The previous prime is 514821119. The next prime is 514821157. The reversal of 514821149 is 941128415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182925625 + 331895524 = 13525^2 + 18218^2 .

It is not a de Polignac number, because 514821149 - 228 = 246385693 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 (514821119) 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, 15141782 + ... + 15141815.

It is an arithmetic number, because the mean of its divisors is an integer number (136276191).

Almost surely, 2514821149 is an apocalyptic number.

It is an amenable number.

514821149 is a deficient number, since it is larger than the sum of its proper divisors (30283615).

514821149 is a wasteful number, since it uses less digits than its factorization.

514821149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30283614.

The product of its digits is 11520, while the sum is 35.

The square root of 514821149 is about 22689.6705352898. The cubic root of 514821149 is about 801.4666579374.

The spelling of 514821149 in words is "five hundred fourteen million, eight hundred twenty-one thousand, one hundred forty-nine".

Divisors: 1 17 30283597 514821149