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230013332 = 22173382549
BaseRepresentation
bin11011011010110…
…11100110010100
3121000210212222022
431231123212110
5432340411312
634453552312
75462036543
oct1555334624
9530725868
10230013332
1110892246a
1265045698
1338865383
142279615a
15152d7172
hexdb5b994

230013332 has 12 divisors (see below), whose sum is σ = 426201300. Its totient is φ = 108241536.

The previous prime is 230013323. The next prime is 230013341. The reversal of 230013332 is 233310032.

It is an interprime number because it is at equal distance from previous prime (230013323) and next prime (230013341).

It can be written as a sum of positive squares in 2 ways, for example, as 178115716 + 51897616 = 13346^2 + 7204^2 .

It is a super-2 number, since 2×2300133322 = 105812265795484448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 230013332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691207 + ... + 1691342.

It is an arithmetic number, because the mean of its divisors is an integer number (35516775).

Almost surely, 2230013332 is an apocalyptic number.

It is an amenable number.

230013332 is a deficient number, since it is larger than the sum of its proper divisors (196187968).

230013332 is a wasteful number, since it uses less digits than its factorization.

230013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382570 (or 3382568 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 230013332 is about 15166.1904247573. The cubic root of 230013332 is about 612.7044055801.

Adding to 230013332 its reverse (233310032), we get a palindrome (463323364).

The spelling of 230013332 in words is "two hundred thirty million, thirteen thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 3382549 6765098 13530196 57503333 115006666 230013332