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381475711 = 1940150069
BaseRepresentation
bin10110101111001…
…101101101111111
3222120210222022001
4112233031231333
51240124210321
6101504203131
712311330041
oct2657155577
9876728261
10381475711
11186373391
12a79094a7
1361056a96
1438941a91
1523754c91
hex16bcdb7f

381475711 has 8 divisors (see below), whose sum is σ = 402562800. Its totient is φ = 360489600.

The previous prime is 381475709. The next prime is 381475751. The reversal of 381475711 is 117574183.

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 381475711 - 21 = 381475709 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 (381475751) 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, 17416 + ... + 32653.

It is an arithmetic number, because the mean of its divisors is an integer number (50320350).

Almost surely, 2381475711 is an apocalyptic number.

381475711 is a deficient number, since it is larger than the sum of its proper divisors (21087089).

381475711 is a wasteful number, since it uses less digits than its factorization.

381475711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50489.

The product of its digits is 23520, while the sum is 37.

The square root of 381475711 is about 19531.4032009992. The cubic root of 381475711 is about 725.2520477593.

The spelling of 381475711 in words is "three hundred eighty-one million, four hundred seventy-five thousand, seven hundred eleven".

Divisors: 1 19 401 7619 50069 951311 20077669 381475711