Search a number
-
+
2087897 = 7714201
BaseRepresentation
bin111111101101111011001
310221002001112
413331233121
51013303042
6112430105
723514110
oct7755731
93832045
102087897
1111a6739
12848335
13581456
143c4c77
152b3982
hex1fdbd9

2087897 has 8 divisors (see below), whose sum is σ = 2420352. Its totient is φ = 1764000.

The previous prime is 2087879. The next prime is 2087903. The reversal of 2087897 is 7987802.

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

It is not a de Polignac number, because 2087897 - 220 = 1039321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087807) 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, 1604 + ... + 2597.

It is an arithmetic number, because the mean of its divisors is an integer number (302544).

22087897 is an apocalyptic number.

It is an amenable number.

2087897 is a deficient number, since it is larger than the sum of its proper divisors (332455).

2087897 is an equidigital number, since it uses as much as digits as its factorization.

2087897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2087897 is about 1444.9557086638. The cubic root of 2087897 is about 127.8114288742.

The spelling of 2087897 in words is "two million, eighty-seven thousand, eight hundred ninety-seven".

Divisors: 1 7 71 497 4201 29407 298271 2087897