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380783797 = 1512521747
BaseRepresentation
bin10110101100100…
…100110010110101
3222112111211011121
4112230210302311
51234440040142
6101441303541
712302415562
oct2654446265
9875454147
10380783797
11185a40559
12a7634bb1
1360b73b74
1438801869
1523669c67
hex16b24cb5

380783797 has 4 divisors (see below), whose sum is σ = 383305696. Its totient is φ = 378261900.

The previous prime is 380783783. The next prime is 380783803. The reversal of 380783797 is 797387083.

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.

It is a cyclic number.

It is not a de Polignac number, because 380783797 - 223 = 372395189 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 (380783197) 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, 1260723 + ... + 1261024.

It is an arithmetic number, because the mean of its divisors is an integer number (95826424).

Almost surely, 2380783797 is an apocalyptic number.

It is an amenable number.

380783797 is a deficient number, since it is larger than the sum of its proper divisors (2521899).

380783797 is a wasteful number, since it uses less digits than its factorization.

380783797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521898.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The square root of 380783797 is about 19513.6823024256. The cubic root of 380783797 is about 724.8132992102.

The spelling of 380783797 in words is "three hundred eighty million, seven hundred eighty-three thousand, seven hundred ninety-seven".

Divisors: 1 151 2521747 380783797