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381068473 = 4127673359
BaseRepresentation
bin10110101101101…
…010010010111001
3222120001021200011
4112231222102321
51240023142343
6101451341521
712305012542
oct2655522271
9876037604
10381068473
11186115425
12a77518a1
1360c43606
14388774c9
15236c429d
hex16b6a4b9

381068473 has 8 divisors (see below), whose sum is σ = 390620160. Its totient is φ = 371529120.

The previous prime is 381068459. The next prime is 381068491. The reversal of 381068473 is 374860183.

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-381068473 is a prime.

It is a super-2 number, since 2×3810684732 = 290426362229103458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381068773) 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, 111768 + ... + 115126.

It is an arithmetic number, because the mean of its divisors is an integer number (48827520).

Almost surely, 2381068473 is an apocalyptic number.

It is an amenable number.

381068473 is a deficient number, since it is larger than the sum of its proper divisors (9551687).

381068473 is a wasteful number, since it uses less digits than its factorization.

381068473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 381068473 is about 19520.9752061725. The cubic root of 381068473 is about 724.9938789812.

The spelling of 381068473 in words is "three hundred eighty-one million, sixty-eight thousand, four hundred seventy-three".

Divisors: 1 41 2767 3359 113447 137719 9294353 381068473