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130003446 = 23120118041
BaseRepresentation
bin1111011111110…
…11000111110110
3100001121212012110
413233323013312
5231240102241
620522231450
73136003536
oct757730766
9301555173
10130003446
1167424571
1237655586
1320c1a221
14133a14c6
15b62e816
hex7bfb1f6

130003446 has 16 divisors (see below), whose sum is σ = 260237808. Its totient is φ = 43296000.

The previous prime is 130003441. The next prime is 130003469. The reversal of 130003446 is 644300031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130003441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (16264863).

Almost surely, 2130003446 is an apocalyptic number.

130003446 is an abundant number, since it is smaller than the sum of its proper divisors (130234362).

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

130003446 is a wasteful number, since it uses less digits than its factorization.

130003446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19247.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 130003446 is about 11401.9053670867. The cubic root of 130003446 is about 506.5841779568.

Adding to 130003446 its reverse (644300031), we get a palindrome (774303477).

The spelling of 130003446 in words is "one hundred thirty million, three thousand, four hundred forty-six".

Divisors: 1 2 3 6 1201 2402 3603 7206 18041 36082 54123 108246 21667241 43334482 65001723 130003446