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3891095 = 51359863
BaseRepresentation
bin1110110101111110010111
321022200120122
432311332113
51444003340
6215222155
745034205
oct16657627
97280518
103891095
11221848a
12137795b
13a63130
14734075
1551cdb5
hex3b5f97

3891095 has 8 divisors (see below), whose sum is σ = 5028576. Its totient is φ = 2873376.

The previous prime is 3891077. The next prime is 3891103. The reversal of 3891095 is 5901983.

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 3891095 - 210 = 3890071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29867 + ... + 29996.

It is an arithmetic number, because the mean of its divisors is an integer number (628572).

Almost surely, 23891095 is an apocalyptic number.

3891095 is a deficient number, since it is larger than the sum of its proper divisors (1137481).

3891095 is a wasteful number, since it uses less digits than its factorization.

3891095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59881.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 3891095 is about 1972.5858663186. The cubic root of 3891095 is about 157.2861968382.

The spelling of 3891095 in words is "three million, eight hundred ninety-one thousand, ninety-five".

Divisors: 1 5 13 65 59863 299315 778219 3891095