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130217253 = 3289714983
BaseRepresentation
bin1111100001011…
…11010100100101
3100002000201111020
413300233110211
5231313423003
620531001353
73140554065
oct760572445
9302021436
10130217253
1167560171
1237739259
1320c9363a
14134193a5
15b672d53
hex7c2f525

130217253 has 8 divisors (see below), whose sum is σ = 173694528. Its totient is φ = 86775744.

The previous prime is 130217231. The next prime is 130217257. The reversal of 130217253 is 352712031.

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

It is not a de Polignac number, because 130217253 - 28 = 130216997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130217257) 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, 1200 + ... + 16182.

It is an arithmetic number, because the mean of its divisors is an integer number (21711816).

Almost surely, 2130217253 is an apocalyptic number.

It is an amenable number.

130217253 is a deficient number, since it is larger than the sum of its proper divisors (43477275).

130217253 is a wasteful number, since it uses less digits than its factorization.

130217253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17883.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 130217253 is about 11411.2774482089. The cubic root of 130217253 is about 506.8617396259.

Adding to 130217253 its reverse (352712031), we get a palindrome (482929284).

The spelling of 130217253 in words is "one hundred thirty million, two hundred seventeen thousand, two hundred fifty-three".

Divisors: 1 3 2897 8691 14983 44949 43405751 130217253