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130046428 = 22137307773
BaseRepresentation
bin1111100000001…
…01100111011100
3100001201001011101
413300011213130
5231242441203
620523202444
73136243051
oct760054734
9301631141
10130046428
1167453896
1237676424
1320c33965
14133b3028
15b63c41d
hex7c059dc

130046428 has 24 divisors (see below), whose sum is σ = 230286672. Its totient is φ = 64255104.

The previous prime is 130046419. The next prime is 130046459. The reversal of 130046428 is 824640031.

It is a junction number, because it is equal to n+sod(n) for n = 130046396 and 130046405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167850 + ... + 168622.

It is an arithmetic number, because the mean of its divisors is an integer number (9595278).

Almost surely, 2130046428 is an apocalyptic number.

It is an amenable number.

130046428 is a deficient number, since it is larger than the sum of its proper divisors (100240244).

130046428 is a wasteful number, since it uses less digits than its factorization.

130046428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 130046428 is about 11403.7900717262. The cubic root of 130046428 is about 506.6400010974.

Adding to 130046428 its reverse (824640031), we get a palindrome (954686459).

The spelling of 130046428 in words is "one hundred thirty million, forty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 137 274 307 548 614 773 1228 1546 3092 42059 84118 105901 168236 211802 237311 423604 474622 949244 32511607 65023214 130046428