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15230068 = 2274771163
BaseRepresentation
bin111010000110…
…010001110100
31001122202201121
4322012101310
512344330233
61302233324
7243311350
oct72062164
931582647
1015230068
118662637
125125844
133203299
142046460
15150c92d
hexe86474

15230068 has 48 divisors (see below), whose sum is σ = 31739904. Its totient is φ = 6259680.

The previous prime is 15230023. The next prime is 15230069. The reversal of 15230068 is 86003251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15230069) by changing a digit.

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, 93355 + ... + 93517.

It is an arithmetic number, because the mean of its divisors is an integer number (661248).

Almost surely, 215230068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15230068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15869952).

15230068 is an abundant number, since it is smaller than the sum of its proper divisors (16509836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15230068 is a wasteful number, since it uses less digits than its factorization.

15230068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 15230068 is about 3902.5719724305. The cubic root of 15230068 is about 247.8756964647.

The spelling of 15230068 in words is "fifteen million, two hundred thirty thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 47 71 94 142 163 188 284 326 329 497 652 658 994 1141 1316 1988 2282 3337 4564 6674 7661 11573 13348 15322 23146 23359 30644 46292 46718 53627 81011 93436 107254 162022 214508 324044 543931 1087862 2175724 3807517 7615034 15230068