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2908042 = 21454021
BaseRepresentation
bin1011000101111110001010
312110202002021
423011332022
51221024132
6142155054
733501154
oct13057612
95422067
102908042
111706945
12b82a8a
137aa847
14559ad4
153c6997
hex2c5f8a

2908042 has 4 divisors (see below), whose sum is σ = 4362066. Its totient is φ = 1454020.

The previous prime is 2908039. The next prime is 2908043. The reversal of 2908042 is 2408092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 14641 = 1701^2 + 121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2907998 and 2908016.

It is not an unprimeable number, because it can be changed into a prime (2908043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727009 + ... + 727012.

22908042 is an apocalyptic number.

2908042 is a deficient number, since it is larger than the sum of its proper divisors (1454024).

2908042 is a wasteful number, since it uses less digits than its factorization.

2908042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454023.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2908042 is about 1705.2982143895. The cubic root of 2908042 is about 142.7360118915.

The spelling of 2908042 in words is "two million, nine hundred eight thousand, forty-two".

Divisors: 1 2 1454021 2908042