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230016549 = 3710953169
BaseRepresentation
bin11011011010111…
…00011000100101
3121000211001101110
431231130120211
5432341012144
634454015233
75462052120
oct1555343045
9530731343
10230016549
11108924924
1265047519
1338866989
14227973b7
15152d80b9
hexdb5c625

230016549 has 8 divisors (see below), whose sum is σ = 350501440. Its totient is φ = 131438016.

The previous prime is 230016547. The next prime is 230016551. The reversal of 230016549 is 945610032.

It is an interprime number because it is at equal distance from previous prime (230016547) and next prime (230016551).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230016549 - 21 = 230016547 is a prime.

It is a super-2 number, since 2×2300165492 = 105815225627738802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230016541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5476564 + ... + 5476605.

It is an arithmetic number, because the mean of its divisors is an integer number (43812680).

Almost surely, 2230016549 is an apocalyptic number.

It is an amenable number.

230016549 is a deficient number, since it is larger than the sum of its proper divisors (120484891).

230016549 is a wasteful number, since it uses less digits than its factorization.

230016549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953179.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 230016549 is about 15166.2964826618. The cubic root of 230016549 is about 612.7072620245.

The spelling of 230016549 in words is "two hundred thirty million, sixteen thousand, five hundred forty-nine".

Divisors: 1 3 7 21 10953169 32859507 76672183 230016549