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1214413289 = 7191689031
BaseRepresentation
bin100100001100010…
…0111100111101001
310010122010120211222
41020120213213221
54441342211124
6320301031425
742044225345
oct11030474751
93118116758
101214413289
11573560751
1229a855575
1316479ca5b
14b7402625
157193625e
hex486279e9

1214413289 has 4 divisors (see below), whose sum is σ = 1216103040. Its totient is φ = 1212723540.

The previous prime is 1214413273. The next prime is 1214413301. The reversal of 1214413289 is 9823144121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214413289 - 24 = 1214413273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214415289) 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, 843797 + ... + 845234.

It is an arithmetic number, because the mean of its divisors is an integer number (304025760).

Almost surely, 21214413289 is an apocalyptic number.

It is an amenable number.

1214413289 is a deficient number, since it is larger than the sum of its proper divisors (1689751).

1214413289 is an equidigital number, since it uses as much as digits as its factorization.

1214413289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689750.

The product of its digits is 13824, while the sum is 35.

The square root of 1214413289 is about 34848.4330924649. The cubic root of 1214413289 is about 1066.8962049744.

The spelling of 1214413289 in words is "one billion, two hundred fourteen million, four hundred thirteen thousand, two hundred eighty-nine".

Divisors: 1 719 1689031 1214413289