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242310312 = 233329101383
BaseRepresentation
bin11100111000101…
…01110010101000
3121212221122021000
432130111302220
5444012412222
640013315000
76001414026
oct1634256250
9555848230
10242310312
11114861362
1269195a60
133b27c5aa
1424277716
15164159ac
hexe715ca8

242310312 has 128 divisors (see below), whose sum is σ = 705024000. Its totient is φ = 77011200.

The previous prime is 242310253. The next prime is 242310371. The reversal of 242310312 is 213013242.

242310312 is a `hidden beast` number, since 2 + 42 + 310 + 312 = 666.

242310312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242310253) and next prime (242310371).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632473 + ... + 632855.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2242310312 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 242310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352512000).

242310312 is an abundant number, since it is smaller than the sum of its proper divisors (462713688).

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

242310312 is a wasteful number, since it uses less digits than its factorization.

242310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242310312 is about 15566.3197962781. The cubic root of 242310312 is about 623.4342134826.

Adding to 242310312 its reverse (213013242), we get a palindrome (455323554).

The spelling of 242310312 in words is "two hundred forty-two million, three hundred ten thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 72 87 101 108 116 174 202 216 232 261 303 348 383 404 522 606 696 766 783 808 909 1044 1149 1212 1532 1566 1818 2088 2298 2424 2727 2929 3064 3132 3447 3636 4596 5454 5858 6264 6894 7272 8787 9192 10341 10908 11107 11716 13788 17574 20682 21816 22214 23432 26361 27576 33321 35148 38683 41364 44428 52722 66642 70296 77366 79083 82728 88856 99963 105444 116049 133284 154732 158166 199926 210888 232098 266568 299889 309464 316332 348147 399852 464196 599778 632664 696294 799704 928392 1044441 1121807 1199556 1392588 2088882 2243614 2399112 2785176 3365421 4177764 4487228 6730842 8355528 8974456 10096263 13461684 20192526 26923368 30288789 40385052 60577578 80770104 121155156 242310312