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2997738 = 232166541
BaseRepresentation
bin1011011011110111101010
312122022010100
423123313222
51231411423
6144130230
734323522
oct13336752
95568110
102997738
111768277
121006976
1380c613
14580682
153e3343
hex2dbdea

2997738 has 12 divisors (see below), whose sum is σ = 6495138. Its totient is φ = 999240.

The previous prime is 2997737. The next prime is 2997767. The reversal of 2997738 is 8377992.

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 363609 = 1623^2 + 603^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2997693 and 2997702.

It is not an unprimeable number, because it can be changed into a prime (2997737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83253 + ... + 83288.

22997738 is an apocalyptic number.

2997738 is an abundant number, since it is smaller than the sum of its proper divisors (3497400).

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

2997738 is a wasteful number, since it uses less digits than its factorization.

2997738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166549 (or 166546 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2997738 is about 1731.3977012807. The cubic root of 2997738 is about 144.1886993773.

The spelling of 2997738 in words is "two million, nine hundred ninety-seven thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 9 18 166541 333082 499623 999246 1498869 2997738