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3440254129 = 13264634933
BaseRepresentation
bin1100110100001110…
…0001110010110001
322212202110000110121
43031003201302301
524021201113004
61325212330241
7151152451264
oct31503416261
98782400417
103440254129
111505a2a934
12800173981
1342a97b240
14248c88cdb
15152059854
hexcd0e1cb1

3440254129 has 4 divisors (see below), whose sum is σ = 3704889076. Its totient is φ = 3175619184.

The previous prime is 3440254123. The next prime is 3440254189. The reversal of 3440254129 is 9214520443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9214520443 = 21143670713.

It can be written as a sum of positive squares in 2 ways, for example, as 234090000 + 3206164129 = 15300^2 + 56623^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440254129 - 225 = 3406699697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3440254094 and 3440254103.

It is not an unprimeable number, because it can be changed into a prime (3440254123) 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, 132317454 + ... + 132317479.

It is an arithmetic number, because the mean of its divisors is an integer number (926222269).

Almost surely, 23440254129 is an apocalyptic number.

It is an amenable number.

3440254129 is a deficient number, since it is larger than the sum of its proper divisors (264634947).

3440254129 is a wasteful number, since it uses less digits than its factorization.

3440254129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264634946.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 3440254129 is about 58653.6795861948. The cubic root of 3440254129 is about 1509.6056349193.

The spelling of 3440254129 in words is "three billion, four hundred forty million, two hundred fifty-four thousand, one hundred twenty-nine".

Divisors: 1 13 264634933 3440254129