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2897994 = 2311192311
BaseRepresentation
bin1011000011100001001010
312110020022010
423003201022
51220213434
6142040350
733426651
oct13034112
95406263
102897994
1116aa340
12b790b6
137a60b8
14556198
153c39e9
hex2c384a

2897994 has 32 divisors (see below), whose sum is σ = 6658560. Its totient is φ = 831600.

The previous prime is 2897989. The next prime is 2898017. The reversal of 2897994 is 4997982.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (208080).

22897994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3329280).

2897994 is an abundant number, since it is smaller than the sum of its proper divisors (3760566).

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

2897994 is a wasteful number, since it uses less digits than its factorization.

2897994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346.

The product of its digits is 326592, while the sum is 48.

The square root of 2897994 is about 1702.3495528240. The cubic root of 2897994 is about 142.5714261809.

The spelling of 2897994 in words is "two million, eight hundred ninety-seven thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 2311 4622 6933 13866 25421 43909 50842 76263 87818 131727 152526 263454 482999 965998 1448997 2897994