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1242330274 = 2621165137
BaseRepresentation
bin100101000001100…
…0111010010100010
310012120122220202101
41022003013102202
510021014032044
6323135241014
742533430103
oct11203072242
93176586671
101242330274
11588299139
122a807916a
1316a4c5893
14badcc3aa
15740eccd4
hex4a0c74a2

1242330274 has 4 divisors (see below), whose sum is σ = 1863495414. Its totient is φ = 621165136.

The previous prime is 1242330253. The next prime is 1242330283. The reversal of 1242330274 is 4720332421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1238547249 + 3783025 = 35193^2 + 1945^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310582567 + ... + 310582570.

Almost surely, 21242330274 is an apocalyptic number.

1242330274 is a deficient number, since it is larger than the sum of its proper divisors (621165140).

1242330274 is an equidigital number, since it uses as much as digits as its factorization.

1242330274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621165139.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1242330274 is about 35246.7058602644. The cubic root of 1242330274 is about 1075.0096336616.

Adding to 1242330274 its reverse (4720332421), we get a palindrome (5962662695).

The spelling of 1242330274 in words is "one billion, two hundred forty-two million, three hundred thirty thousand, two hundred seventy-four".

Divisors: 1 2 621165137 1242330274