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454130242 = 2227065121
BaseRepresentation
bin11011000100010…
…111101001000010
31011122112012120121
4123010113221002
51412224131432
6113021330454
714153020606
oct3304275102
91148465517
10454130242
11213387855
12108106a2a
1373114927
1444455506
1529d07197
hex1b117a42

454130242 has 4 divisors (see below), whose sum is σ = 681195366. Its totient is φ = 227065120.

The previous prime is 454130219. The next prime is 454130263. The reversal of 454130242 is 242031454.

It is a happy number.

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., 384591321 + 69538921 = 19611^2 + 8339^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 113532559 + ... + 113532562.

Almost surely, 2454130242 is an apocalyptic number.

454130242 is a deficient number, since it is larger than the sum of its proper divisors (227065124).

454130242 is a wasteful number, since it uses less digits than its factorization.

454130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227065123.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 454130242 is about 21310.3318134655. The cubic root of 454130242 is about 768.6467725583.

Adding to 454130242 its reverse (242031454), we get a palindrome (696161696).

The spelling of 454130242 in words is "four hundred fifty-four million, one hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 227065121 454130242