Search a number
-
+
1742690153 = 2093983227
BaseRepresentation
bin110011111011111…
…0101011101101001
311111110011211110202
41213313311131221
512032112041103
6444531521545
761120423211
oct14767653551
94443154422
101742690153
118147809a6
124077592b5
1321a075709
14127639241
15a2ed7988
hex67df5769

1742690153 has 4 divisors (see below), whose sum is σ = 1742794320. Its totient is φ = 1742585988.

The previous prime is 1742690149. The next prime is 1742690207. The reversal of 1742690153 is 3510962471.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1742690153 - 22 = 1742690149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1742690353) 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, 20675 + ... + 62552.

It is an arithmetic number, because the mean of its divisors is an integer number (435698580).

Almost surely, 21742690153 is an apocalyptic number.

It is an amenable number.

1742690153 is a deficient number, since it is larger than the sum of its proper divisors (104167).

1742690153 is an equidigital number, since it uses as much as digits as its factorization.

1742690153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104166.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1742690153 is about 41745.5405163234. The cubic root of 1742690153 is about 1203.3909074764.

The spelling of 1742690153 in words is "one billion, seven hundred forty-two million, six hundred ninety thousand, one hundred fifty-three".

Divisors: 1 20939 83227 1742690153