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2987873 = 7331281
BaseRepresentation
bin1011011001011101100001
312121210120222
423121131201
51231102443
6144012425
734253000
oct13313541
95553528
102987873
111760919
121001115
13807c95
1457ac37
153e0468
hex2d9761

2987873 has 16 divisors (see below), whose sum is σ = 3609600. Its totient is φ = 2469600.

The previous prime is 2987863. The next prime is 2987911. The reversal of 2987873 is 3787892.

It is a happy number.

It is not a de Polignac number, because 2987873 - 24 = 2987857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987843) 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, 10493 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (225600).

22987873 is an apocalyptic number.

It is an amenable number.

2987873 is a deficient number, since it is larger than the sum of its proper divisors (621727).

2987873 is an equidigital number, since it uses as much as digits as its factorization.

2987873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 319 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 2987873 is about 1728.5464992299. The cubic root of 2987873 is about 144.0303594682.

The spelling of 2987873 in words is "two million, nine hundred eighty-seven thousand, eight hundred seventy-three".

Divisors: 1 7 31 49 217 281 343 1519 1967 8711 10633 13769 60977 96383 426839 2987873