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2421242430 = 2352318119387
BaseRepresentation
bin1001000001010001…
…0011101000111110
320020201222212012120
42100110103220332
514424314224210
61040131343410
7114000135555
oct22024235076
96221885176
102421242430
111032801302
12576a51b66
132c7815739
1418d7ccd9c
15e2870270
hex90513a3e

2421242430 has 64 divisors (see below), whose sum is σ = 6097448448. Its totient is φ = 614148480.

The previous prime is 2421242429. The next prime is 2421242443. The reversal of 2421242430 is 342421242.

It is a self number, because there is not a number n which added to its sum of digits gives 2421242430.

It is a congruent number.

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, 115197 + ... + 134583.

It is an arithmetic number, because the mean of its divisors is an integer number (95272632).

Almost surely, 22421242430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421242430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048724224).

2421242430 is an abundant number, since it is smaller than the sum of its proper divisors (3676206018).

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

2421242430 is a wasteful number, since it uses less digits than its factorization.

2421242430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19601.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2421242430 is about 49206.1218752301. The cubic root of 2421242430 is about 1342.8044092605.

Adding to 2421242430 its reverse (342421242), we get a palindrome (2763663672).

The spelling of 2421242430 in words is "two billion, four hundred twenty-one million, two hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 181 230 345 362 543 690 905 1086 1810 2715 4163 5430 8326 12489 19387 20815 24978 38774 41630 58161 62445 96935 116322 124890 193870 290805 445901 581610 891802 1337703 2229505 2675406 3509047 4459010 6688515 7018094 10527141 13377030 17545235 21054282 35090470 52635705 80708081 105271410 161416162 242124243 403540405 484248486 807080810 1210621215 2421242430