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15130201 = 312711801
BaseRepresentation
bin111001101101…
…111001011001
31001110200201211
4321231321121
512333131301
61300143121
7242414242
oct71557131
931420654
1015130201
1185a45a9
125097aa1
1331999a8
14201bcc9
1514dd051
hexe6de59

15130201 has 8 divisors (see below), whose sum is σ = 15684608. Its totient is φ = 14580000.

The previous prime is 15130183. The next prime is 15130207. The reversal of 15130201 is 10203151.

15130201 is nontrivially palindromic in base 7.

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

It is a 6-Lehmer number, since φ(15130201) divides (15130201-1)6.

It is a cyclic number.

It is not a de Polignac number, because 15130201 - 29 = 15129689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15130207) 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, 7501 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (1960576).

Almost surely, 215130201 is an apocalyptic number.

It is an amenable number.

15130201 is a deficient number, since it is larger than the sum of its proper divisors (554407).

15130201 is a wasteful number, since it uses less digits than its factorization.

15130201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 15130201 is about 3889.7559049380. The cubic root of 15130201 is about 247.3327155814.

Adding to 15130201 its reverse (10203151), we get a palindrome (25333352).

The spelling of 15130201 in words is "fifteen million, one hundred thirty thousand, two hundred one".

Divisors: 1 31 271 1801 8401 55831 488071 15130201