Search a number
-
+
1300400429 = 7118315499
BaseRepresentation
bin100110110000010…
…1000100100101101
310100121221012000212
41031200220210231
510130400303204
6333012032205
744140135616
oct11540504455
93317835025
101300400429
116080510a9
12303602665
13179548313
14c49c6c0d
157926dc6e
hex4d82892d

1300400429 has 4 divisors (see below), whose sum is σ = 1318716000. Its totient is φ = 1282084860.

The previous prime is 1300400417. The next prime is 1300400459. The reversal of 1300400429 is 9240040031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1300400429 - 220 = 1299351853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300400459) 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 in 3 ways as a sum of consecutive naturals, for example, 9157679 + ... + 9157820.

It is an arithmetic number, because the mean of its divisors is an integer number (329679000).

Almost surely, 21300400429 is an apocalyptic number.

It is an amenable number.

1300400429 is a deficient number, since it is larger than the sum of its proper divisors (18315571).

1300400429 is an equidigital number, since it uses as much as digits as its factorization.

1300400429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315570.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1300400429 is about 36061.0652782194. The cubic root of 1300400429 is about 1091.5049293425.

The spelling of 1300400429 in words is "one billion, three hundred million, four hundred thousand, four hundred twenty-nine".

Divisors: 1 71 18315499 1300400429