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2990874 = 232321673
BaseRepresentation
bin1011011010001100011010
312121221201010
423122030122
51231201444
6144034350
734264515
oct13321432
95557633
102990874
1117630a7
1210029b6
13809463
1457bd7c
153e12b9
hex2da31a

2990874 has 16 divisors (see below), whose sum is σ = 6242112. Its totient is φ = 953568.

The previous prime is 2990839. The next prime is 2990879. The reversal of 2990874 is 4780992.

2990874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2990879) 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 7 ways as a sum of consecutive naturals, for example, 10699 + ... + 10974.

It is an arithmetic number, because the mean of its divisors is an integer number (390132).

22990874 is an apocalyptic number.

2990874 is an abundant number, since it is smaller than the sum of its proper divisors (3251238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2990874 is a wasteful number, since it uses less digits than its factorization.

2990874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21701.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2990874 is about 1729.4143517388. The cubic root of 2990874 is about 144.0785643817.

The spelling of 2990874 in words is "two million, nine hundred ninety thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 23 46 69 138 21673 43346 65019 130038 498479 996958 1495437 2990874