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130424165 = 529899477
BaseRepresentation
bin1111100011000…
…01110101100101
3100002102020022122
413301201311211
5231342033130
620535235325
73142405244
oct761416545
9302366278
10130424165
1167691673
1237818b45
1321036881
141347095b
15b6b42e5
hex7c61d65

130424165 has 8 divisors (see below), whose sum is σ = 161906040. Its totient is φ = 100741312.

The previous prime is 130424141. The next prime is 130424167. The reversal of 130424165 is 561424031.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 129436129 = 994^2 + 11377^2 .

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 130424165 - 210 = 130423141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130424167) 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, 449594 + ... + 449883.

It is an arithmetic number, because the mean of its divisors is an integer number (20238255).

Almost surely, 2130424165 is an apocalyptic number.

It is an amenable number.

130424165 is a deficient number, since it is larger than the sum of its proper divisors (31481875).

130424165 is an equidigital number, since it uses as much as digits as its factorization.

130424165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899511.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 130424165 is about 11420.3399686699. The cubic root of 130424165 is about 507.1300611540.

Adding to 130424165 its reverse (561424031), we get a palindrome (691848196).

The spelling of 130424165 in words is "one hundred thirty million, four hundred twenty-four thousand, one hundred sixty-five".

Divisors: 1 5 29 145 899477 4497385 26084833 130424165