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2977942 = 211223607
BaseRepresentation
bin1011010111000010010110
312121021222011
423113002112
51230243232
6143454434
734212022
oct13270226
95537864
102977942
111754410
12bb741a
138035c6
14577382
153dc547
hex2d7096

2977942 has 16 divisors (see below), whose sum is σ = 4902912. Its totient is φ = 1345320.

The previous prime is 2977939. The next prime is 2977951. The reversal of 2977942 is 2497792.

2977942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2977895 and 2977904.

It is a congruent number.

It is an unprimeable number.

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, 4603 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (306432).

22977942 is an apocalyptic number.

2977942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2977942 is a deficient number, since it is larger than the sum of its proper divisors (1924970).

2977942 is a wasteful number, since it uses less digits than its factorization.

2977942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its digits is 63504, while the sum is 40.

The square root of 2977942 is about 1725.6714635179. The cubic root of 2977942 is about 143.8706077912.

The spelling of 2977942 in words is "two million, nine hundred seventy-seven thousand, nine hundred forty-two".

Divisors: 1 2 11 22 223 446 607 1214 2453 4906 6677 13354 135361 270722 1488971 2977942