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130343542 = 2767138959
BaseRepresentation
bin1111100010011…
…10001001110110
3100002021010201121
413301032021312
5231331443132
620533414154
73141621220
oct761161166
9302233647
10130343542
116763703a
123779a35a
1321008c74
141344d410
15b69a497
hex7c4e276

130343542 has 16 divisors (see below), whose sum is σ = 226782720. Its totient is φ = 55027368.

The previous prime is 130343531. The next prime is 130343569. The reversal of 130343542 is 245343031.

It is a super-2 number, since 2×1303435422 = 33978877882211528, which contains 22 as substring.

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, 68542 + ... + 70417.

It is an arithmetic number, because the mean of its divisors is an integer number (14173920).

Almost surely, 2130343542 is an apocalyptic number.

130343542 is a deficient number, since it is larger than the sum of its proper divisors (96439178).

130343542 is a wasteful number, since it uses less digits than its factorization.

130343542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139035.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 130343542 is about 11416.8096244091. The cubic root of 130343542 is about 507.0255437777.

Adding to 130343542 its reverse (245343031), we get a palindrome (375686573).

The spelling of 130343542 in words is "one hundred thirty million, three hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 7 14 67 134 469 938 138959 277918 972713 1945426 9310253 18620506 65171771 130343542