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23430022 = 2711353431
BaseRepresentation
bin101100101100…
…0001110000110
31122002100221121
41121120032012
521444230042
62154104154
7403103050
oct131301606
948070847
1023430022
1112253360
127a1b05a
134b14725
14317c8d0
1520cc367
hex1658386

23430022 has 32 divisors (see below), whose sum is σ = 44043264. Its totient is φ = 9081600.

The previous prime is 23430013. The next prime is 23430037. The reversal of 23430022 is 22003432.

It is a super-4 number, since 4×234300224 (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23429978 and 23430005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54147 + ... + 54577.

It is an arithmetic number, because the mean of its divisors is an integer number (1376352).

Almost surely, 223430022 is an apocalyptic number.

23430022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23430022 is a deficient number, since it is larger than the sum of its proper divisors (20613242).

23430022 is a wasteful number, since it uses less digits than its factorization.

23430022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23430022 is about 4840.4567966257. The cubic root of 23430022 is about 286.1481212297.

Adding to 23430022 its reverse (22003432), we get a palindrome (45433454).

The spelling of 23430022 in words is "twenty-three million, four hundred thirty thousand, twenty-two".

Divisors: 1 2 7 11 14 22 77 154 353 431 706 862 2471 3017 3883 4741 4942 6034 7766 9482 27181 33187 54362 66374 152143 304286 1065001 1673573 2130002 3347146 11715011 23430022