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230013100 = 22522300131
BaseRepresentation
bin11011011010110…
…11100010101100
3121000210212122201
431231123202230
5432340404400
634453551244
75462036062
oct1555334254
9530725581
10230013100
11108922279
1265045524
1338865235
1422796032
15152d706a
hexdb5b8ac

230013100 has 18 divisors (see below), whose sum is σ = 499128644. Its totient is φ = 92005200.

The previous prime is 230013097. The next prime is 230013101. The reversal of 230013100 is 1310032.

It is a super-2 number, since 2×2300131002 = 105812052343220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (230013101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149966 + ... + 1150165.

Almost surely, 2230013100 is an apocalyptic number.

230013100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230013100 is an abundant number, since it is smaller than the sum of its proper divisors (269115544).

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

230013100 is a wasteful number, since it uses less digits than its factorization.

230013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300145 (or 2300138 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 230013100 is about 15166.1827761636. The cubic root of 230013100 is about 612.7041995812.

Adding to 230013100 its reverse (1310032), we get a palindrome (231323132).

It can be divided in two parts, 2300 and 13100, that added together give a triangular number (15400 = T175).

The spelling of 230013100 in words is "two hundred thirty million, thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2300131 4600262 9200524 11500655 23001310 46002620 57503275 115006550 230013100