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4987217 = 29473659
BaseRepresentation
bin10011000001100101010001
3100101101011202
4103001211101
52234042332
6254520545
760250664
oct23014521
910341152
104987217
1128a6a74
121806155
131058021
1493b6db
15687a62
hex4c1951

4987217 has 8 divisors (see below), whose sum is σ = 5270400. Its totient is φ = 4711504.

The previous prime is 4987207. The next prime is 4987223. The reversal of 4987217 is 7127894.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4987217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4987207) 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, 467 + ... + 3192.

It is an arithmetic number, because the mean of its divisors is an integer number (658800).

Almost surely, 24987217 is an apocalyptic number.

4987217 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4987217 is a deficient number, since it is larger than the sum of its proper divisors (283183).

4987217 is a wasteful number, since it uses less digits than its factorization.

4987217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735.

The product of its digits is 28224, while the sum is 38.

The square root of 4987217 is about 2233.2077825406. The cubic root of 4987217 is about 170.8517461547.

The spelling of 4987217 in words is "four million, nine hundred eighty-seven thousand, two hundred seventeen".

Divisors: 1 29 47 1363 3659 106111 171973 4987217