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530137769 = 7471611361
BaseRepresentation
bin11111100110010…
…100001010101001
31100221112210022012
4133212110022221
52041203402034
6124334405305
716065045110
oct3746241251
91327483265
10530137769
11252281397
12129660835
1385aa79b5
145059cc77
153181ccce
hex1f9942a9

530137769 has 8 divisors (see below), whose sum is σ = 618763008. Its totient is φ = 444735360.

The previous prime is 530137721. The next prime is 530137793. The reversal of 530137769 is 967731035.

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

It is a cyclic number.

It is not a de Polignac number, because 530137769 - 28 = 530137513 is a prime.

It is a super-2 number, since 2×5301377692 = 562092108240594722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530134769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805352 + ... + 806009.

It is an arithmetic number, because the mean of its divisors is an integer number (77345376).

Almost surely, 2530137769 is an apocalyptic number.

It is an amenable number.

530137769 is a deficient number, since it is larger than the sum of its proper divisors (88625239).

530137769 is a wasteful number, since it uses less digits than its factorization.

530137769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611415.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 530137769 is about 23024.7208234975. The cubic root of 530137769 is about 809.3373480972.

It can be divided in two parts, 530 and 137769, that multiplied together give a triangular number (73017570 = T12084).

The spelling of 530137769 in words is "five hundred thirty million, one hundred thirty-seven thousand, seven hundred sixty-nine".

Divisors: 1 7 47 329 1611361 11279527 75733967 530137769