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1930195417 = 4175162687
BaseRepresentation
bin111001100001100…
…0111000111011001
311222112000002100011
41303003013013121
512423112223132
6515310441521
765555250613
oct16303070731
94875002304
101930195417
119005aa427
1245a5032a1
13249b76787
141444c7db3
15b46c4b47
hex730c71d9

1930195417 has 8 divisors (see below), whose sum is σ = 1979937792. Its totient is φ = 1880580000.

The previous prime is 1930195411. The next prime is 1930195433. The reversal of 1930195417 is 7145910391.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1930195417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1930195417.

It is not an unprimeable number, because it can be changed into a prime (1930195411) 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, 553 + ... + 62134.

It is an arithmetic number, because the mean of its divisors is an integer number (247492224).

Almost surely, 21930195417 is an apocalyptic number.

It is an amenable number.

1930195417 is a deficient number, since it is larger than the sum of its proper divisors (49742375).

1930195417 is an equidigital number, since it uses as much as digits as its factorization.

1930195417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63479.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 1930195417 is about 43933.9893135144. The cubic root of 1930195417 is about 1245.0890872419.

The spelling of 1930195417 in words is "one billion, nine hundred thirty million, one hundred ninety-five thousand, four hundred seventeen".

Divisors: 1 41 751 30791 62687 2570167 47077937 1930195417