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1330829957 = 4730792233
BaseRepresentation
bin100111101010010…
…1101101010000101
310102202012011111102
41033110231222011
510211143024312
6340020145445
744656603502
oct11724555205
93382164442
101330829957
11623245276
12311838285
13182940962
14c8a684a9
157bc7eec2
hex4f52da85

1330829957 has 8 divisors (see below), whose sum is σ = 1363587456. Its totient is φ = 1298257632.

The previous prime is 1330829953. The next prime is 1330829987. The reversal of 1330829957 is 7599280331.

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 1330829957 - 22 = 1330829953 is a prime.

It is a super-2 number, since 2×13308299572 = 3542216748897243698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330829953) 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, 31688 + ... + 60545.

It is an arithmetic number, because the mean of its divisors is an integer number (170448432).

Almost surely, 21330829957 is an apocalyptic number.

It is an amenable number.

1330829957 is a deficient number, since it is larger than the sum of its proper divisors (32757499).

1330829957 is an equidigital number, since it uses as much as digits as its factorization.

1330829957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92587.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 1330829957 is about 36480.5421697650. The cubic root of 1330829957 is about 1099.9531542033.

The spelling of 1330829957 in words is "one billion, three hundred thirty million, eight hundred twenty-nine thousand, nine hundred fifty-seven".

Divisors: 1 47 307 14429 92233 4334951 28315531 1330829957