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4467987 = 331271303
BaseRepresentation
bin10001000010110100010011
322101222221000
4101002310103
52120433422
6235433043
752656126
oct21026423
98358830
104467987
112581957
1215b5783
13c058a4
148443bd
155d3cac
hex442d13

4467987 has 16 divisors (see below), whose sum is σ = 6676480. Its totient is φ = 2952936.

The previous prime is 4467979. The next prime is 4467997. The reversal of 4467987 is 7897644.

It is not a de Polignac number, because 4467987 - 23 = 4467979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4467997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2778 + ... + 4080.

It is an arithmetic number, because the mean of its divisors is an integer number (417280).

Almost surely, 24467987 is an apocalyptic number.

4467987 is a deficient number, since it is larger than the sum of its proper divisors (2208493).

4467987 is a wasteful number, since it uses less digits than its factorization.

4467987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1433 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 4467987 is about 2113.7613394137. The cubic root of 4467987 is about 164.7039318772.

The spelling of 4467987 in words is "four million, four hundred sixty-seven thousand, nine hundred eighty-seven".

Divisors: 1 3 9 27 127 381 1143 1303 3429 3909 11727 35181 165481 496443 1489329 4467987