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1303430424 = 233232938059
BaseRepresentation
bin100110110110000…
…1100010100011000
310100211122010101220
41031230030110120
510132134233144
6333201012040
744204655462
oct11554142430
93324563356
101303430424
1160983062a
12304624020
1317a06950a
14c5175132
157966b919
hex4db0c518

1303430424 has 64 divisors (see below), whose sum is σ = 3412281600. Its totient is φ = 414116736.

The previous prime is 1303430411. The next prime is 1303430441. The reversal of 1303430424 is 4240343031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1303430394 and 1303430403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157707 + ... + 165765.

It is an arithmetic number, because the mean of its divisors is an integer number (53316900).

Almost surely, 21303430424 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 1303430424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706140800).

1303430424 is an abundant number, since it is smaller than the sum of its proper divisors (2108851176).

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

1303430424 is a wasteful number, since it uses less digits than its factorization.

1303430424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8384 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1303430424 is about 36103.0528349058. The cubic root of 1303430424 is about 1092.3520246006.

Adding to 1303430424 its reverse (4240343031), we get a palindrome (5543773455).

The spelling of 1303430424 in words is "one billion, three hundred three million, four hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 293 552 586 879 1172 1758 2344 3516 6739 7032 8059 13478 16118 20217 24177 26956 32236 40434 48354 53912 64472 80868 96708 161736 185357 193416 370714 556071 741428 1112142 1482856 2224284 2361287 4448568 4722574 7083861 9445148 14167722 18890296 28335444 54309601 56670888 108619202 162928803 217238404 325857606 434476808 651715212 1303430424