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1242282 = 231971051
BaseRepresentation
bin100101111010010101010
32100010002110
410233102222
5304223112
642343150
713362546
oct4572252
92303073
101242282
11779388
124baab6
133465a2
14244a26
1519813c
hex12f4aa

1242282 has 16 divisors (see below), whose sum is σ = 2499552. Its totient is φ = 411600.

The previous prime is 1242271. The next prime is 1242289. The reversal of 1242282 is 2822421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1242289) by changing a digit.

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, 657 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (156222).

21242282 is an apocalyptic number.

1242282 is an abundant number, since it is smaller than the sum of its proper divisors (1257270).

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

1242282 is a wasteful number, since it uses less digits than its factorization.

1242282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 512, while the sum is 21.

The square root of 1242282 is about 1114.5770498265. The cubic root of 1242282 is about 107.4995709375.

The spelling of 1242282 in words is "one million, two hundred forty-two thousand, two hundred eighty-two".

Divisors: 1 2 3 6 197 394 591 1051 1182 2102 3153 6306 207047 414094 621141 1242282