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230111100 = 223252255679
BaseRepresentation
bin11011011011100…
…11011101111100
3121000222212002100
431231303131330
5432402023400
634500025100
75462624562
oct1555633574
9530885070
10230111100
1110898996a
1265092190
133889aa1b
14227bda32
1515306100
hexdb7377c

230111100 has 54 divisors (see below), whose sum is σ = 721273280. Its totient is φ = 61362720.

The previous prime is 230111087. The next prime is 230111117. The reversal of 230111100 is 1111032.

It is a super-2 number, since 2×2301111002 = 105902236686420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 126940 + ... + 128739.

Almost surely, 2230111100 is an apocalyptic number.

230111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230111100 is an abundant number, since it is smaller than the sum of its proper divisors (491162180).

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

230111100 is a wasteful number, since it uses less digits than its factorization.

230111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255699 (or 255689 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 230111100 is about 15169.4133044096. The cubic root of 230111100 is about 612.7912040256.

Adding to 230111100 its reverse (1111032), we get a palindrome (231222132).

The spelling of 230111100 in words is "two hundred thirty million, one hundred eleven thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 255679 511358 767037 1022716 1278395 1534074 2301111 2556790 3068148 3835185 4602222 5113580 6391975 7670370 9204444 11505555 12783950 15340740 19175925 23011110 25567900 38351850 46022220 57527775 76703700 115055550 230111100