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2742046 = 22295987
BaseRepresentation
bin1010011101011100011110
312011022101021
422131130132
51200221141
6134434354
732210206
oct12353436
95138337
102742046
11160315a
12b029ba
13750118
14515406
153926d1
hex29d71e

2742046 has 8 divisors (see below), whose sum is σ = 4131720. Its totient is φ = 1364808.

The previous prime is 2742041. The next prime is 2742073. The reversal of 2742046 is 6402472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×27420462 = 15037632532232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2742046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742041) 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 3 ways as a sum of consecutive naturals, for example, 2536 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (516465).

22742046 is an apocalyptic number.

2742046 is a deficient number, since it is larger than the sum of its proper divisors (1389674).

2742046 is a wasteful number, since it uses less digits than its factorization.

2742046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2742046 is about 1655.9124372985. The cubic root of 2742046 is about 139.9667608164.

The spelling of 2742046 in words is "two million, seven hundred forty-two thousand, forty-six".

Divisors: 1 2 229 458 5987 11974 1371023 2742046