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230344401 = 3718160601
BaseRepresentation
bin11011011101011…
…00011011010001
3121001102201010010
431232230123101
5432432010101
634505025133
75464616010
oct1556543321
9531381103
10230344401
11109029181
12651851a9
133894cc81
1422840a77
15153502d6
hexdbac6d1

230344401 has 16 divisors (see below), whose sum is σ = 352946048. Its totient is φ = 130896000.

The previous prime is 230344397. The next prime is 230344403. The reversal of 230344401 is 104443032.

It is not a de Polignac number, because 230344401 - 22 = 230344397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (230344403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26500 + ... + 34101.

It is an arithmetic number, because the mean of its divisors is an integer number (22059128).

Almost surely, 2230344401 is an apocalyptic number.

230344401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230344401 is a deficient number, since it is larger than the sum of its proper divisors (122601647).

230344401 is a wasteful number, since it uses less digits than its factorization.

230344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60792.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 230344401 is about 15177.1012054345. The cubic root of 230344401 is about 612.9982294036.

Adding to 230344401 its reverse (104443032), we get a palindrome (334787433).

The spelling of 230344401 in words is "two hundred thirty million, three hundred forty-four thousand, four hundred one".

Divisors: 1 3 7 21 181 543 1267 3801 60601 181803 424207 1272621 10968781 32906343 76781467 230344401