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1242274 = 21156467
BaseRepresentation
bin100101111010010100010
32100010002011
410233102202
5304223044
642343134
713362535
oct4572242
92303064
101242274
11779380
124baaaa
13346597
14244a1c
15198134
hex12f4a2

1242274 has 8 divisors (see below), whose sum is σ = 2032848. Its totient is φ = 564660.

The previous prime is 1242271. The next prime is 1242289. The reversal of 1242274 is 4722421.

It is a happy number.

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 (22), and also a Moran number because the ratio is a prime number: 56467 = 1242274 / (1 + 2 + 4 + 2 + 2 + 7 + 4).

It is not an unprimeable number, because it can be changed into a prime (1242271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28212 + ... + 28255.

It is an arithmetic number, because the mean of its divisors is an integer number (254106).

21242274 is an apocalyptic number.

1242274 is a deficient number, since it is larger than the sum of its proper divisors (790574).

1242274 is a wasteful number, since it uses less digits than its factorization.

1242274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56480.

The product of its digits is 896, while the sum is 22.

The square root of 1242274 is about 1114.5734610155. The cubic root of 1242274 is about 107.4993401798.

Adding to 1242274 its reverse (4722421), we get a palindrome (5964695).

The spelling of 1242274 in words is "one million, two hundred forty-two thousand, two hundred seventy-four".

Divisors: 1 2 11 22 56467 112934 621137 1242274