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381048377 = 996738231
BaseRepresentation
bin10110101101100…
…101011000111001
3222120000021002212
4112231211120321
51240022022002
6101451104505
712304600133
oct2655453071
9876007085
10381048377
11186101316
12a7742135
1360c37418
1438870053
15236bd352
hex16b65639

381048377 has 4 divisors (see below), whose sum is σ = 381096576. Its totient is φ = 381000180.

The previous prime is 381048359. The next prime is 381048379. The reversal of 381048377 is 773840183.

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 381048377 - 28 = 381048121 is a prime.

It is a super-2 number, since 2×3810483772 = 290395731228668258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381048379) 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, 9149 + ... + 29082.

It is an arithmetic number, because the mean of its divisors is an integer number (95274144).

Almost surely, 2381048377 is an apocalyptic number.

It is an amenable number.

381048377 is a deficient number, since it is larger than the sum of its proper divisors (48199).

381048377 is an equidigital number, since it uses as much as digits as its factorization.

381048377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48198.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 381048377 is about 19520.4604710032. The cubic root of 381048377 is about 724.9811343486.

The spelling of 381048377 in words is "three hundred eighty-one million, forty-eight thousand, three hundred seventy-seven".

Divisors: 1 9967 38231 381048377