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3042147 = 3192532
BaseRepresentation
bin1011100110101101100011
312201120001010
423212231203
51234322042
6145112003
734600143
oct13465543
95646033
103042147
111798679
121028603
138268b4
14592923
1540159c
hex2e6b63

3042147 has 18 divisors (see below), whose sum is σ = 4363212. Its totient is φ = 1885104.

The previous prime is 3042107. The next prime is 3042157. The reversal of 3042147 is 7412403.

It is not a de Polignac number, because 3042147 - 215 = 3009379 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3042107) 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 17 ways as a sum of consecutive naturals, for example, 57373 + ... + 57425.

Almost surely, 23042147 is an apocalyptic number.

3042147 is a deficient number, since it is larger than the sum of its proper divisors (1321065).

3042147 is an equidigital number, since it uses as much as digits as its factorization.

3042147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 3042147 is about 1744.1751632219. The cubic root of 3042147 is about 144.8972240384.

The spelling of 3042147 in words is "three million, forty-two thousand, one hundred forty-seven".

Divisors: 1 3 19 53 57 159 361 1007 1083 2809 3021 8427 19133 53371 57399 160113 1014049 3042147