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530130455 = 5106026091
BaseRepresentation
bin11111100110010…
…010011000010111
31100221112102021022
4133212102120113
52041203133310
6124334311355
716065014561
oct3746223027
91327472238
10530130455
11252276948
1212965855b
1385aa457a
145059a331
153181aa55
hex1f992617

530130455 has 4 divisors (see below), whose sum is σ = 636156552. Its totient is φ = 424104360.

The previous prime is 530130401. The next prime is 530130479. The reversal of 530130455 is 554031035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554031035 = 5110806207.

It is not a de Polignac number, because 530130455 - 214 = 530114071 is a prime.

It is a Duffinian number.

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, 53013041 + ... + 53013050.

It is an arithmetic number, because the mean of its divisors is an integer number (159039138).

Almost surely, 2530130455 is an apocalyptic number.

530130455 is a deficient number, since it is larger than the sum of its proper divisors (106026097).

530130455 is a wasteful number, since it uses less digits than its factorization.

530130455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106026096.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 530130455 is about 23024.5619936623. The cubic root of 530130455 is about 809.3336260957. Note that the first 3 decimals are identical.

The spelling of 530130455 in words is "five hundred thirty million, one hundred thirty thousand, four hundred fifty-five".

Divisors: 1 5 106026091 530130455