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230130036 = 223210759743
BaseRepresentation
bin11011011011110…
…00000101110100
3121001000211001200
431231320011310
5432403130121
634500252500
75463034023
oct1555700564
9531024050
10230130036
111089a2114
12650a1130
13388a6526
14227c68ba
151530ba26
hexdb78174

230130036 has 36 divisors (see below), whose sum is σ = 587164032. Its totient is φ = 75991824.

The previous prime is 230130013. The next prime is 230130073. The reversal of 230130036 is 630031032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2301300362 = 105919666938722592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26020 + ... + 33723.

It is an arithmetic number, because the mean of its divisors is an integer number (16310112).

Almost surely, 2230130036 is an apocalyptic number.

It is an amenable number.

230130036 is an abundant number, since it is smaller than the sum of its proper divisors (357033996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230130036 is a wasteful number, since it uses less digits than its factorization.

230130036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59860 (or 59855 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 230130036 is about 15170.0374422742. The cubic root of 230130036 is about 612.8080125672.

Adding to 230130036 its reverse (630031032), we get a palindrome (860161068).

The spelling of 230130036 in words is "two hundred thirty million, one hundred thirty thousand, thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 107 214 321 428 642 963 1284 1926 3852 59743 119486 179229 238972 358458 537687 716916 1075374 2150748 6392501 12785002 19177503 25570004 38355006 57532509 76710012 115065018 230130036