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1045130434 = 2522565217
BaseRepresentation
bin111110010010110…
…110110011000010
32200211121010102121
4332102312303002
54120023133214
6251412434454
734620314335
oct7622666302
92624533377
101045130434
11496a48a67
12252018a2a
131386abc9a
149cb3861c
1561b48424
hex3e4b6cc2

1045130434 has 4 divisors (see below), whose sum is σ = 1567695654. Its totient is φ = 522565216.

The previous prime is 1045130431. The next prime is 1045130459. The reversal of 1045130434 is 4340315401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4340315401 = 31211390681.

It can be written as a sum of positive squares in only one way, i.e., 969388225 + 75742209 = 31135^2 + 8703^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1045130399 and 1045130408.

It is not an unprimeable number, because it can be changed into a prime (1045130431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261282607 + ... + 261282610.

Almost surely, 21045130434 is an apocalyptic number.

1045130434 is a deficient number, since it is larger than the sum of its proper divisors (522565220).

1045130434 is an equidigital number, since it uses as much as digits as its factorization.

1045130434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522565219.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1045130434 is about 32328.4771370382. The cubic root of 1045130434 is about 1014.8226805679.

Adding to 1045130434 its reverse (4340315401), we get a palindrome (5385445835).

The spelling of 1045130434 in words is "one billion, forty-five million, one hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 522565217 1045130434