Search a number
-
+
1234924109 = 11531071053
BaseRepresentation
bin100100110011011…
…0111001001001101
310012001201122101222
41021212313021031
510012120032414
6322312413125
742413452556
oct11146671115
93161648358
101234924109
1158409a841
122a56a71a5
13168b01833
14ba02132d
157363868e
hex499b724d

1234924109 has 4 divisors (see below), whose sum is σ = 1235996316. Its totient is φ = 1233851904.

The previous prime is 1234924079. The next prime is 1234924213. The reversal of 1234924109 is 9014294321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9014294321 = 50989176789.

It can be written as a sum of positive squares in 2 ways, for example, as 1051186084 + 183738025 = 32422^2 + 13555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234924109 - 212 = 1234920013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234924609) 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, 534374 + ... + 536679.

It is an arithmetic number, because the mean of its divisors is an integer number (308999079).

Almost surely, 21234924109 is an apocalyptic number.

It is an amenable number.

1234924109 is a deficient number, since it is larger than the sum of its proper divisors (1072207).

1234924109 is a wasteful number, since it uses less digits than its factorization.

1234924109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072206.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1234924109 is about 35141.4870061015. The cubic root of 1234924109 is about 1072.8691474187.

The spelling of 1234924109 in words is "one billion, two hundred thirty-four million, nine hundred twenty-four thousand, one hundred nine".

Divisors: 1 1153 1071053 1234924109