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1214033045 = 5242806609
BaseRepresentation
bin100100001011100…
…1010110010010101
310010121102021020212
41020113022302111
54441243024140
6320244535205
742041052641
oct11027126225
93117367225
101214033045
11573320aa5
1229a6b1505
13164698964
14b7343c21
15718ad765
hex485cac95

1214033045 has 4 divisors (see below), whose sum is σ = 1456839660. Its totient is φ = 971226432.

The previous prime is 1214033033. The next prime is 1214033059. The reversal of 1214033045 is 5403304121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5403304121 = 15135783471.

It can be written as a sum of positive squares in 2 ways, for example, as 703363441 + 510669604 = 26521^2 + 22598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214033045 - 210 = 1214032021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214033045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121403300 + ... + 121403309.

It is an arithmetic number, because the mean of its divisors is an integer number (364209915).

Almost surely, 21214033045 is an apocalyptic number.

It is an amenable number.

1214033045 is a deficient number, since it is larger than the sum of its proper divisors (242806615).

1214033045 is an equidigital number, since it uses as much as digits as its factorization.

1214033045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242806614.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1214033045 is about 34842.9769824566. The cubic root of 1214033045 is about 1066.7848416705.

Adding to 1214033045 its reverse (5403304121), we get a palindrome (6617337166).

The spelling of 1214033045 in words is "one billion, two hundred fourteen million, thirty-three thousand, forty-five".

Divisors: 1 5 242806609 1214033045