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4863890 = 25486389
BaseRepresentation
bin10010100011011110010010
3100011010000002
4102203132102
52221121030
6252130002
756225303
oct22433622
910133002
104863890
112822349
121766902
131013b55
149087aa
15661245
hex4a3792

4863890 has 8 divisors (see below), whose sum is σ = 8755020. Its totient is φ = 1945552.

The previous prime is 4863877. The next prime is 4863913. The reversal of 4863890 is 983684.

It can be written as a sum of positive squares in 2 ways, for example, as 4592449 + 271441 = 2143^2 + 521^2 .

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

It is a d-powerful number, because it can be written as 44 + 83 + 66 + 314 + 85 + 93 + 0 .

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 in 3 ways as a sum of consecutive naturals, for example, 243185 + ... + 243204.

Almost surely, 24863890 is an apocalyptic number.

4863890 is a deficient number, since it is larger than the sum of its proper divisors (3891130).

4863890 is a wasteful number, since it uses less digits than its factorization.

4863890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486396.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4863890 is about 2205.4228619473. The cubic root of 4863890 is about 169.4316661111.

It can be divided in two parts, 486 and 3890, that multiplied together give a triangular number (1890540 = T1944).

The spelling of 4863890 in words is "four million, eight hundred sixty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 486389 972778 2431945 4863890