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3874805 = 51170451
BaseRepresentation
bin1110110001111111110101
321021212020022
432301333311
51442443210
6215014525
744635544
oct16617765
97255208
103874805
112207220
12136a445
13a588ac
1472c15b
15518155
hex3b1ff5

3874805 has 8 divisors (see below), whose sum is σ = 5072544. Its totient is φ = 2818000.

The previous prime is 3874799. The next prime is 3874807. The reversal of 3874805 is 5084783.

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

It is not a de Polignac number, because 3874805 - 210 = 3873781 is a prime.

It is a super-2 number, since 2×38748052 = 30028227576050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35171 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (634068).

Almost surely, 23874805 is an apocalyptic number.

It is an amenable number.

3874805 is a deficient number, since it is larger than the sum of its proper divisors (1197739).

3874805 is a wasteful number, since it uses less digits than its factorization.

3874805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70467.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 3874805 is about 1968.4524378303. The cubic root of 3874805 is about 157.0663978690.

The spelling of 3874805 in words is "three million, eight hundred seventy-four thousand, eight hundred five".

Divisors: 1 5 11 55 70451 352255 774961 3874805