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1303422030 = 23451609163
BaseRepresentation
bin100110110110000…
…1010010001001110
310100211121200220000
41031230022101032
510132134001110
6333200505130
744204622141
oct11554122116
93324550800
101303422030
11609825299
1230461b1a6
1317a065751
14c5172058
15796691c0
hex4db0a44e

1303422030 has 40 divisors (see below), whose sum is σ = 3504759192. Its totient is φ = 347578992.

The previous prime is 1303422013. The next prime is 1303422031. The reversal of 1303422030 is 302243031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1303421994 and 1303422012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303422031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 803772 + ... + 805391.

Almost surely, 21303422030 is an apocalyptic number.

1303422030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303422030 is an abundant number, since it is smaller than the sum of its proper divisors (2201337162).

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

1303422030 is a wasteful number, since it uses less digits than its factorization.

1303422030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609182 (or 1609173 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1303422030 is about 36102.9365841617. The cubic root of 1303422030 is about 1092.3496797056.

Adding to 1303422030 its reverse (302243031), we get a palindrome (1605665061).

The spelling of 1303422030 in words is "one billion, three hundred three million, four hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 1609163 3218326 4827489 8045815 9654978 14482467 16091630 24137445 28964934 43447401 48274890 72412335 86894802 130342203 144824670 217237005 260684406 434474010 651711015 1303422030