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230421100 = 225271325321
BaseRepresentation
bin11011011101111…
…11001001101100
3121001120121022211
431232333021230
5432441433400
634510420204
75465355430
oct1556771154
9531517284
10230421100
11109080868
1265201664
1338978b60
14228609c0
1515367dba
hexdbbf26c

230421100 has 72 divisors (see below), whose sum is σ = 615425888. Its totient is φ = 72921600.

The previous prime is 230421091. The next prime is 230421131. The reversal of 230421100 is 1124032.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3561 + ... + 21760.

Almost surely, 2230421100 is an apocalyptic number.

230421100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230421100 is an abundant number, since it is smaller than the sum of its proper divisors (385004788).

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

230421100 is a wasteful number, since it uses less digits than its factorization.

230421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25355 (or 25348 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 230421100 is about 15179.6277951734. The cubic root of 230421100 is about 613.0662596133.

Adding to 230421100 its reverse (1124032), we get a palindrome (231545132).

It can be divided in two parts, 23042 and 1100, that added together give a palindrome (24142).

The spelling of 230421100 in words is "two hundred thirty million, four hundred twenty-one thousand, one hundred".

Divisors: 1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 91 100 130 140 175 182 260 325 350 364 455 650 700 910 1300 1820 2275 4550 9100 25321 50642 101284 126605 177247 253210 329173 354494 506420 633025 658346 708988 886235 1266050 1316692 1645865 1772470 2304211 2532100 3291730 3544940 4431175 4608422 6583460 8229325 8862350 9216844 11521055 16458650 17724700 23042110 32917300 46084220 57605275 115210550 230421100