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2898978 = 23483163
BaseRepresentation
bin1011000011110000100010
312110021122120
423003300202
51220231403
6142045110
733432555
oct13036042
95407576
102898978
111700055
12b79796
137a6694
1455669c
153c3e53
hex2c3c22

2898978 has 8 divisors (see below), whose sum is σ = 5797968. Its totient is φ = 966324.

The previous prime is 2898977. The next prime is 2898979. The reversal of 2898978 is 8798982.

It is an interprime number because it is at equal distance from previous prime (2898977) and next prime (2898979).

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

2898978 is an admirable number.

It is an Ulam number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 2898978.

It is not an unprimeable number, because it can be changed into a prime (2898977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241576 + ... + 241587.

It is an arithmetic number, because the mean of its divisors is an integer number (724746).

22898978 is an apocalyptic number.

2898978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2898978 is a wasteful number, since it uses less digits than its factorization.

2898978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483168.

The product of its digits is 580608, while the sum is 51.

The square root of 2898978 is about 1702.6385406186. The cubic root of 2898978 is about 142.5875608368.

The spelling of 2898978 in words is "two million, eight hundred ninety-eight thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 483163 966326 1449489 2898978