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130669 = 7111697
BaseRepresentation
bin11111111001101101
320122020121
4133321231
513140134
62444541
71052650
oct377155
9218217
10130669
118a1a0
1263751
1347626
1435897
1528ab4
hex1fe6d

130669 has 8 divisors (see below), whose sum is σ = 163008. Its totient is φ = 101760.

The previous prime is 130657. The next prime is 130681. The reversal of 130669 is 966031.

It is an interprime number because it is at equal distance from previous prime (130657) and next prime (130681).

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 130669 - 211 = 128621 is a prime.

It is a super-2 number, since 2×1306692 = 34148775122, which contains 22 as substring.

It is a Duffinian number.

130669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (20376).

2130669 is an apocalyptic number.

It is an amenable number.

130669 is a deficient number, since it is larger than the sum of its proper divisors (32339).

130669 is a wasteful number, since it uses less digits than its factorization.

130669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 130669 is about 361.4816731177. The cubic root of 130669 is about 50.7447194551.

The spelling of 130669 in words is "one hundred thirty thousand, six hundred sixty-nine".

Divisors: 1 7 11 77 1697 11879 18667 130669