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130030424 = 2389182627
BaseRepresentation
bin1111100000000…
…01101101011000
3100001200020012122
413300001231120
5231241433144
620523000412
73136145306
oct760015530
9301606178
10130030424
1167442867
1237669108
1320c295a4
14133ab276
15b6377ee
hex7c01b58

130030424 has 16 divisors (see below), whose sum is σ = 246547800. Its totient is φ = 64284352.

The previous prime is 130030421. The next prime is 130030427. The reversal of 130030424 is 424030031.

It is an interprime number because it is at equal distance from previous prime (130030421) and next prime (130030427).

It is a super-2 number, since 2×1300304242 = 33815822331239552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130030421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90602 + ... + 92025.

Almost surely, 2130030424 is an apocalyptic number.

It is an amenable number.

130030424 is a deficient number, since it is larger than the sum of its proper divisors (116517376).

130030424 is a wasteful number, since it uses less digits than its factorization.

130030424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182722 (or 182718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130030424 is about 11403.0883535997. The cubic root of 130030424 is about 506.6192172401.

Adding to 130030424 its reverse (424030031), we get a palindrome (554060455).

The spelling of 130030424 in words is "one hundred thirty million, thirty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 89 178 356 712 182627 365254 730508 1461016 16253803 32507606 65015212 130030424