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130230401 = 7711571669
BaseRepresentation
bin1111100001100…
…10100010000001
3100002001101112012
413300302202001
5231314333101
620531142305
73140640320
oct760624201
9302041465
10130230401
116756a034
1237744995
1320c99612
14134200b7
15b676bbb
hex7c32881

130230401 has 16 divisors (see below), whose sum is σ = 151983360. Its totient is φ = 109287360.

The previous prime is 130230371. The next prime is 130230409. The reversal of 130230401 is 104032031.

It is not a de Polignac number, because 130230401 - 26 = 130230337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130230409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77195 + ... + 78863.

It is an arithmetic number, because the mean of its divisors is an integer number (9498960).

Almost surely, 2130230401 is an apocalyptic number.

It is an amenable number.

130230401 is a deficient number, since it is larger than the sum of its proper divisors (21752959).

130230401 is a wasteful number, since it uses less digits than its factorization.

130230401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 130230401 is about 11411.8535304305. The cubic root of 130230401 is about 506.8787982817.

Adding to 130230401 its reverse (104032031), we get a palindrome (234262432).

The spelling of 130230401 in words is "one hundred thirty million, two hundred thirty thousand, four hundred one".

Divisors: 1 7 71 157 497 1099 1669 11147 11683 78029 118499 262033 829493 1834231 18604343 130230401