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130370 = 2513037
BaseRepresentation
bin11111110101000010
320121211112
4133311002
513132440
62443322
71052042
oct376502
9217745
10130370
1189a49
1263542
1347456
1435722
1528965
hex1fd42

130370 has 8 divisors (see below), whose sum is σ = 234684. Its totient is φ = 52144.

The previous prime is 130369. The next prime is 130379. The reversal of 130370 is 73031.

Added to its reverse (73031) it gives a square (203401 = 4512).

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130321 + 49 = 361^2 + 7^2 .

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

130370 is a modest number, since divided by 370 gives 130 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130370.

It is not an unprimeable number, because it can be changed into a prime (130379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6509 + ... + 6528.

2130370 is an apocalyptic number.

130370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130370 is a deficient number, since it is larger than the sum of its proper divisors (104314).

130370 is a wasteful number, since it uses less digits than its factorization.

130370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 130370 is about 361.0678606578. The cubic root of 130370 is about 50.7059847930.

Adding to 130370 its reverse (73031), we get a square (203401 = 4512).

The spelling of 130370 in words is "one hundred thirty thousand, three hundred seventy".

Divisors: 1 2 5 10 13037 26074 65185 130370