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1830468929 = 10317771543
BaseRepresentation
bin110110100011010…
…1011110101000001
311201120100110022112
41231012223311001
512222100001204
6501345145105
763234505052
oct15506536501
94646313275
101830468929
1185a285443
1243102b195
132322ca613
14135168729
15aaa7626e
hex6d1abd41

1830468929 has 4 divisors (see below), whose sum is σ = 1848240576. Its totient is φ = 1812697284.

The previous prime is 1830468901. The next prime is 1830468971. The reversal of 1830468929 is 9298640381.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9298640381 = 29393163879.

It is a cyclic number.

It is not a de Polignac number, because 1830468929 - 220 = 1829420353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1830468979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8885669 + ... + 8885874.

It is an arithmetic number, because the mean of its divisors is an integer number (462060144).

Almost surely, 21830468929 is an apocalyptic number.

It is an amenable number.

1830468929 is a deficient number, since it is larger than the sum of its proper divisors (17771647).

1830468929 is a wasteful number, since it uses less digits than its factorization.

1830468929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17771646.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 1830468929 is about 42783.9798172166. The cubic root of 1830468929 is about 1223.2656682293.

The spelling of 1830468929 in words is "one billion, eight hundred thirty million, four hundred sixty-eight thousand, nine hundred twenty-nine".

Divisors: 1 103 17771543 1830468929