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381356095 = 576271219
BaseRepresentation
bin10110101110110…
…000100000111111
3222120120220012211
4112232300200333
51240111343340
6101501441251
712310321231
oct2656604077
9876526184
10381356095
111862a152a
12a7870227
13610144c3
1438910251
152372e5ea
hex16bb083f

381356095 has 4 divisors (see below), whose sum is σ = 457627320. Its totient is φ = 305084872.

The previous prime is 381356083. The next prime is 381356111. The reversal of 381356095 is 590653183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 590653183 = 4712567089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-381356095 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38135605 + ... + 38135614.

It is an arithmetic number, because the mean of its divisors is an integer number (114406830).

Almost surely, 2381356095 is an apocalyptic number.

381356095 is a deficient number, since it is larger than the sum of its proper divisors (76271225).

381356095 is an equidigital number, since it uses as much as digits as its factorization.

381356095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76271224.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 381356095 is about 19528.3408153381. The cubic root of 381356095 is about 725.1762361892.

The spelling of 381356095 in words is "three hundred eighty-one million, three hundred fifty-six thousand, ninety-five".

Divisors: 1 5 76271219 381356095