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1330928049 = 31140331153
BaseRepresentation
bin100111101010100…
…0101100110110001
310102202101011001110
41033111011212301
510211204144144
6340022223533
744660462463
oct11725054661
93382334043
101330928049
11623301a40
12311884ba9
131829764b9
14c8a92133
157bc9e0b9
hex4f5459b1

1330928049 has 8 divisors (see below), whose sum is σ = 1935895392. Its totient is φ = 806623040.

The previous prime is 1330928033. The next prime is 1330928057. The reversal of 1330928049 is 9408290331.

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 1330928049 - 24 = 1330928033 is a prime.

It is a super-2 number, since 2×13309280492 = 3542738943229892802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1330927998 and 1330928016.

It is not an unprimeable number, because it can be changed into a prime (1330928009) 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, 20165544 + ... + 20165609.

It is an arithmetic number, because the mean of its divisors is an integer number (241986924).

Almost surely, 21330928049 is an apocalyptic number.

It is an amenable number.

1330928049 is a deficient number, since it is larger than the sum of its proper divisors (604967343).

1330928049 is a wasteful number, since it uses less digits than its factorization.

1330928049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40331167.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1330928049 is about 36481.8865877301. The cubic root of 1330928049 is about 1099.9801784307.

It can be divided in two parts, 133092 and 8049, that added together give a palindrome (141141).

The spelling of 1330928049 in words is "one billion, three hundred thirty million, nine hundred twenty-eight thousand, forty-nine".

Divisors: 1 3 11 33 40331153 120993459 443642683 1330928049