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230022303 = 37193715581
BaseRepresentation
bin11011011010111…
…01110010011111
3121000211100021120
431231131302133
5432341203203
634454102023
75462104650
oct1555356237
9530740246
10230022303
11108929185
126504a913
1338869494
1422799527
15152d9b53
hexdb5dc9f

230022303 has 32 divisors (see below), whose sum is σ = 378954240. Its totient is φ = 121150080.

The previous prime is 230022281. The next prime is 230022311. The reversal of 230022303 is 303220032.

It is not a de Polignac number, because 230022303 - 26 = 230022239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230022803) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6973 + ... + 22553.

It is an arithmetic number, because the mean of its divisors is an integer number (11842320).

Almost surely, 2230022303 is an apocalyptic number.

230022303 is a deficient number, since it is larger than the sum of its proper divisors (148931937).

230022303 is a wasteful number, since it uses less digits than its factorization.

230022303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15647.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 230022303 is about 15166.4861784132. The cubic root of 230022303 is about 612.7123710600.

Adding to 230022303 its reverse (303220032), we get a palindrome (533242335).

The spelling of 230022303 in words is "two hundred thirty million, twenty-two thousand, three hundred three".

Divisors: 1 3 7 19 21 37 57 111 133 259 399 703 777 2109 4921 14763 15581 46743 109067 296039 327201 576497 888117 1729491 2072273 4035479 6216819 10953443 12106437 32860329 76674101 230022303