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1242202 = 21347777
BaseRepresentation
bin100101111010001011010
32100002222111
410233101122
5304222302
642342534
713362403
oct4572132
92302874
101242202
11779315
124baa4a
13346540
142449aa
151980d7
hex12f45a

1242202 has 8 divisors (see below), whose sum is σ = 2006676. Its totient is φ = 573312.

The previous prime is 1242193. The next prime is 1242217. The reversal of 1242202 is 2022421.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 12321 = 1109^2 + 111^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a plaindrome in base 14.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23863 + ... + 23914.

21242202 is an apocalyptic number.

1242202 is a deficient number, since it is larger than the sum of its proper divisors (764474).

1242202 is a wasteful number, since it uses less digits than its factorization.

1242202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47792.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1242202 is about 1114.5411611959. The cubic root of 1242202 is about 107.4972633159.

Adding to 1242202 its reverse (2022421), we get a palindrome (3264623).

It can be divided in two parts, 1242 and 202, that added together give a square (1444 = 382).

The spelling of 1242202 in words is "one million, two hundred forty-two thousand, two hundred two".

Divisors: 1 2 13 26 47777 95554 621101 1242202