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2990897 = 713231429
BaseRepresentation
bin1011011010001100110001
312121221201222
423122030301
51231202042
6144034425
734264550
oct13321461
95557658
102990897
111763118
121002a15
13809480
1457bd97
153e12d2
hex2da331

2990897 has 16 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 2261952.

The previous prime is 2990893. The next prime is 2990899. The reversal of 2990897 is 7980992.

2990897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2990897 - 22 = 2990893 is a prime.

2990897 is a modest number, since divided by 897 gives 299 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2990893) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1379 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (240240).

22990897 is an apocalyptic number.

It is an amenable number.

2990897 is a deficient number, since it is larger than the sum of its proper divisors (852943).

2990897 is a wasteful number, since it uses less digits than its factorization.

2990897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2990897 is about 1729.4210013759. The cubic root of 2990897 is about 144.0789337050.

The spelling of 2990897 in words is "two million, nine hundred ninety thousand, eight hundred ninety-seven".

Divisors: 1 7 13 23 91 161 299 1429 2093 10003 18577 32867 130039 230069 427271 2990897