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3878134 = 213149159
BaseRepresentation
bin1110110010110011110110
321022000210121
432302303312
51443100014
6215042154
744651341
oct16626366
97260717
103878134
112209777
12137035a
13a5a270
1472d458
15519124
hex3b2cf6

3878134 has 8 divisors (see below), whose sum is σ = 6264720. Its totient is φ = 1789896.

The previous prime is 3878113. The next prime is 3878137. The reversal of 3878134 is 4318783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3878134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878137) 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, 74554 + ... + 74605.

It is an arithmetic number, because the mean of its divisors is an integer number (783090).

Almost surely, 23878134 is an apocalyptic number.

3878134 is a deficient number, since it is larger than the sum of its proper divisors (2386586).

3878134 is a wasteful number, since it uses less digits than its factorization.

3878134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149174.

The product of its digits is 16128, while the sum is 34.

The square root of 3878134 is about 1969.2978444105. The cubic root of 3878134 is about 157.1113656691. Note that the first 3 decimals are identical.

The spelling of 3878134 in words is "three million, eight hundred seventy-eight thousand, one hundred thirty-four".

Divisors: 1 2 13 26 149159 298318 1939067 3878134