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530101445 = 5106020289
BaseRepresentation
bin11111100110001…
…011010011000101
31100221110221110212
4133212023103011
52041201221240
6124333525205
716064534156
oct3746132305
91327427425
10530101445
11252257075
12129643805
1385a942c3
145058d92d
1531812165
hex1f98b4c5

530101445 has 4 divisors (see below), whose sum is σ = 636121740. Its totient is φ = 424081152.

The previous prime is 530101409. The next prime is 530101459. The reversal of 530101445 is 544101035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544101035 = 5108820207.

It can be written as a sum of positive squares in 2 ways, for example, as 147233956 + 382867489 = 12134^2 + 19567^2 .

It is a cyclic number.

It is not a de Polignac number, because 530101445 - 28 = 530101189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 530101445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53010140 + ... + 53010149.

It is an arithmetic number, because the mean of its divisors is an integer number (159030435).

Almost surely, 2530101445 is an apocalyptic number.

It is an amenable number.

530101445 is a deficient number, since it is larger than the sum of its proper divisors (106020295).

530101445 is a wasteful number, since it uses less digits than its factorization.

530101445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106020294.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 530101445 is about 23023.9320056327. The cubic root of 530101445 is about 809.3188629391.

The spelling of 530101445 in words is "five hundred thirty million, one hundred one thousand, four hundred forty-five".

Divisors: 1 5 106020289 530101445