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2997387 = 32418123
BaseRepresentation
bin1011011011110010001011
312122021122100
423123302023
51231404022
6144124443
734322511
oct13336213
95567570
102997387
111767a88
121006723
1380c403
145804b1
153e31ac
hex2dbc8b

2997387 has 12 divisors (see below), whose sum is σ = 4435704. Its totient is φ = 1949280.

The previous prime is 2997373. The next prime is 2997409. The reversal of 2997387 is 7837992.

It is not a de Polignac number, because 2997387 - 28 = 2997131 is a prime.

It is a d-powerful number, because it can be written as 221 + 92 + 95 + 75 + 35 + 83 + 77 .

2997387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2997587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3693 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (369642).

22997387 is an apocalyptic number.

2997387 is a deficient number, since it is larger than the sum of its proper divisors (1438317).

2997387 is a wasteful number, since it uses less digits than its factorization.

2997387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8170 (or 8167 counting only the distinct ones).

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

The square root of 2997387 is about 1731.2963351200. The cubic root of 2997387 is about 144.1830715551.

The spelling of 2997387 in words is "two million, nine hundred ninety-seven thousand, three hundred eighty-seven".

Divisors: 1 3 9 41 123 369 8123 24369 73107 333043 999129 2997387