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242012424 = 233192918301
BaseRepresentation
bin11100110110011…
…01000100001000
3121212101111122010
432123031010020
5443423344144
640003055520
75666033403
oct1633150410
9555344563
10242012424
11114678575
12690715a0
133b1a6b24
14241dad3a
15163a75b9
hexe6cd108

242012424 has 64 divisors (see below), whose sum is σ = 658872000. Its totient is φ = 73785600.

The previous prime is 242012423. The next prime is 242012429. The reversal of 242012424 is 424210242.

It is a self number, because there is not a number n which added to its sum of digits gives 242012424.

It is not an unprimeable number, because it can be changed into a prime (242012423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (10294875).

Almost surely, 2242012424 is an apocalyptic number.

242012424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242012424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329436000).

242012424 is an abundant number, since it is smaller than the sum of its proper divisors (416859576).

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

242012424 is a wasteful number, since it uses less digits than its factorization.

242012424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18358 (or 18354 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 242012424 is about 15556.7485034631. The cubic root of 242012424 is about 623.1786324953.

Adding to 242012424 its reverse (424210242), we get a palindrome (666222666).

The spelling of 242012424 in words is "two hundred forty-two million, twelve thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 19 24 29 38 57 58 76 87 114 116 152 174 228 232 348 456 551 696 1102 1653 2204 3306 4408 6612 13224 18301 36602 54903 73204 109806 146408 219612 347719 439224 530729 695438 1043157 1061458 1390876 1592187 2086314 2122916 2781752 3184374 4172628 4245832 6368748 8345256 10083851 12737496 20167702 30251553 40335404 60503106 80670808 121006212 242012424