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381465127 = 795147977
BaseRepresentation
bin10110101111001…
…011001000100111
3222120210102210001
4112233023020213
51240123341002
6101504042131
712311254141
oct2657131047
9876712701
10381465127
1118636643a
12a7903347
1361052014
143893bc91
1523751a87
hex16bcb227

381465127 has 4 divisors (see below), whose sum is σ = 381521056. Its totient is φ = 381409200.

The previous prime is 381465121. The next prime is 381465131. The reversal of 381465127 is 721564183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381465127 - 211 = 381463079 is a prime.

It is a super-2 number, since 2×3814651272 = 291031286234252258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381465121) 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, 16038 + ... + 31939.

It is an arithmetic number, because the mean of its divisors is an integer number (95380264).

Almost surely, 2381465127 is an apocalyptic number.

381465127 is a deficient number, since it is larger than the sum of its proper divisors (55929).

381465127 is an equidigital number, since it uses as much as digits as its factorization.

381465127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55928.

The product of its digits is 40320, while the sum is 37.

The square root of 381465127 is about 19531.1322508451. The cubic root of 381465127 is about 725.2453403522.

The spelling of 381465127 in words is "three hundred eighty-one million, four hundred sixty-five thousand, one hundred twenty-seven".

Divisors: 1 7951 47977 381465127