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130421404 = 2232605351
BaseRepresentation
bin1111100011000…
…01001010011100
3100002102002112101
413301201022130
5231341441104
620535214444
73142364221
oct761411234
9302362471
10130421404
116768a593
1237817424
1321035539
141346d948
15b6b35a4
hex7c6129c

130421404 has 6 divisors (see below), whose sum is σ = 228237464. Its totient is φ = 65210700.

The previous prime is 130421387. The next prime is 130421407. The reversal of 130421404 is 404124031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130421407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16302672 + ... + 16302679.

Almost surely, 2130421404 is an apocalyptic number.

It is an amenable number.

130421404 is a deficient number, since it is larger than the sum of its proper divisors (97816060).

130421404 is a wasteful number, since it uses less digits than its factorization.

130421404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32605355 (or 32605353 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 130421404 is about 11420.2190872154. The cubic root of 130421404 is about 507.1264825841.

Adding to 130421404 its reverse (404124031), we get a palindrome (534545435).

The spelling of 130421404 in words is "one hundred thirty million, four hundred twenty-one thousand, four hundred four".

Divisors: 1 2 4 32605351 65210702 130421404