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3874942 = 21937471
BaseRepresentation
bin1110110010000001111110
321021212102101
432302001332
51442444232
6215015314
744636131
oct16620176
97255371
103874942
112207335
12136a53a
13a58986
1472c218
155181e7
hex3b207e

3874942 has 4 divisors (see below), whose sum is σ = 5812416. Its totient is φ = 1937470.

The previous prime is 3874939. The next prime is 3874957. The reversal of 3874942 is 2494783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2494783 = 2986027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968734 + ... + 968737.

It is an arithmetic number, because the mean of its divisors is an integer number (1453104).

Almost surely, 23874942 is an apocalyptic number.

3874942 is a deficient number, since it is larger than the sum of its proper divisors (1937474).

3874942 is a wasteful number, since it uses less digits than its factorization.

3874942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937473.

The product of its digits is 48384, while the sum is 37.

The square root of 3874942 is about 1968.4872364331. The cubic root of 3874942 is about 157.0682489594.

It can be divided in two parts, 387 and 4942, that added together give a square (5329 = 732).

The spelling of 3874942 in words is "three million, eight hundred seventy-four thousand, nine hundred forty-two".

Divisors: 1 2 1937471 3874942