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3850978 = 21925489
BaseRepresentation
bin1110101100001011100010
321020122112211
432230023202
51441212403
6214312334
744506225
oct16541342
97218484
103850978
1121a032a
1213586aa
13a4aab1
147235bc
1551106d
hex3ac2e2

3850978 has 4 divisors (see below), whose sum is σ = 5776470. Its totient is φ = 1925488.

The previous prime is 3850967. The next prime is 3850981. The reversal of 3850978 is 8790583.

3850978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 439569 = 1847^2 + 663^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3850978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962743 + ... + 962746.

Almost surely, 23850978 is an apocalyptic number.

3850978 is a deficient number, since it is larger than the sum of its proper divisors (1925492).

3850978 is a wasteful number, since it uses less digits than its factorization.

3850978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925491.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3850978 is about 1962.3908886866. The cubic root of 3850978 is about 156.7437908082.

The spelling of 3850978 in words is "three million, eight hundred fifty thousand, nine hundred seventy-eight".

Divisors: 1 2 1925489 3850978