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381241 = 7107509
BaseRepresentation
bin1011101000100111001
3201100222001
41131010321
544144431
612101001
73145330
oct1350471
9640861
10381241
11240483
12164761
131046b3
149cd17
1577e61
hex5d139

381241 has 8 divisors (see below), whose sum is σ = 440640. Its totient is φ = 323088.

The previous prime is 381239. The next prime is 381253. The reversal of 381241 is 142183.

381241 = 742 + 752 + ... + 1152.

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 381241 - 21 = 381239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381221) 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, 495 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2381241 is an apocalyptic number.

It is an amenable number.

381241 is a deficient number, since it is larger than the sum of its proper divisors (59399).

381241 is a wasteful number, since it uses less digits than its factorization.

381241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its digits is 192, while the sum is 19.

The square root of 381241 is about 617.4471637314. The cubic root of 381241 is about 72.5103275022.

The spelling of 381241 in words is "three hundred eighty-one thousand, two hundred forty-one".

Divisors: 1 7 107 509 749 3563 54463 381241