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1330399087 = 2298576779
BaseRepresentation
bin100111101001100…
…0100011101101111
310102201101021110021
41033103010131233
510211040232322
6340003023011
744653130353
oct11723043557
93381337407
101330399087
11622a80586
1231166aa67
1318281c7c4
14c8995463
157bbe74c7
hex4f4c476f

1330399087 has 8 divisors (see below), whose sum is σ = 1337965200. Its totient is φ = 1322848704.

The previous prime is 1330399079. The next prime is 1330399093. The reversal of 1330399087 is 7809930331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330399087 - 23 = 1330399079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330399027) 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, 192864 + ... + 199642.

It is an arithmetic number, because the mean of its divisors is an integer number (167245650).

Almost surely, 21330399087 is an apocalyptic number.

1330399087 is a deficient number, since it is larger than the sum of its proper divisors (7566113).

1330399087 is an equidigital number, since it uses as much as digits as its factorization.

1330399087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7865.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1330399087 is about 36474.6362147726. The cubic root of 1330399087 is about 1099.8344343099.

The spelling of 1330399087 in words is "one billion, three hundred thirty million, three hundred ninety-nine thousand, eighty-seven".

Divisors: 1 229 857 6779 196253 1552391 5809603 1330399087