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3871274 = 211217941
BaseRepresentation
bin1110110001001000101010
321021200101112
432301020222
51442340044
6214550322
744622341
oct16611052
97250345
103871274
112204600
1213683a2
13a570c4
1472ab58
1551709e
hex3b122a

3871274 has 24 divisors (see below), whose sum is σ = 6765444. Its totient is φ = 1654400.

The previous prime is 3871271. The next prime is 3871303. The reversal of 3871274 is 4721783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3705625 + 165649 = 1925^2 + 407^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3871274.

It is not an unprimeable number, because it can be changed into a prime (3871271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3644 + ... + 4584.

Almost surely, 23871274 is an apocalyptic number.

3871274 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3871274 is a deficient number, since it is larger than the sum of its proper divisors (2894170).

3871274 is a wasteful number, since it uses less digits than its factorization.

3871274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 971 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 3871274 is about 1967.5553359436. Note that the first 3 decimals coincide. The cubic root of 3871274 is about 157.0186733168.

It can be divided in two parts, 387 and 1274, that added together give a palindrome (1661).

The spelling of 3871274 in words is "three million, eight hundred seventy-one thousand, two hundred seventy-four".

Divisors: 1 2 11 17 22 34 121 187 242 374 941 1882 2057 4114 10351 15997 20702 31994 113861 175967 227722 351934 1935637 3871274