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130575 = 3521741
BaseRepresentation
bin11111111000001111
320122010010
4133320033
513134300
62444303
71052454
oct377017
9218103
10130575
118a115
1263693
1347583
143582b
1528a50
hex1fe0f

130575 has 12 divisors (see below), whose sum is σ = 216008. Its totient is φ = 69600.

The previous prime is 130553. The next prime is 130579. The reversal of 130575 is 575031.

It is a happy number.

It is not a de Polignac number, because 130575 - 27 = 130447 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796 + ... + 945.

2130575 is an apocalyptic number.

130575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130575 is a deficient number, since it is larger than the sum of its proper divisors (85433).

130575 is a wasteful number, since it uses less digits than its factorization.

130575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 130575 is about 361.3516293031. The cubic root of 130575 is about 50.7325483768.

The spelling of 130575 in words is "one hundred thirty thousand, five hundred seventy-five".

Divisors: 1 3 5 15 25 75 1741 5223 8705 26115 43525 130575