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2906142 = 232321059
BaseRepresentation
bin1011000101100000011110
312110122110220
423011200132
51220444032
6142142210
733462501
oct13054036
95418426
102906142
111705478
12b81966
137a9a15
14559138
153c612c
hex2c581e

2906142 has 16 divisors (see below), whose sum is σ = 6065280. Its totient is φ = 926552.

The previous prime is 2906131. The next prime is 2906143. The reversal of 2906142 is 2416092.

It is a super-2 number, since 2×29061422 = 16891322648328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (379080).

22906142 is an apocalyptic number.

2906142 is an abundant number, since it is smaller than the sum of its proper divisors (3159138).

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

2906142 is a wasteful number, since it uses less digits than its factorization.

2906142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21087.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2906142 is about 1704.7410360521. The cubic root of 2906142 is about 142.7049190912.

The spelling of 2906142 in words is "two million, nine hundred six thousand, one hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 21059 42118 63177 126354 484357 968714 1453071 2906142