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3992254129 = 61523712497
BaseRepresentation
bin1110110111110100…
…1111011010110001
3101022020010112010001
43231331033122301
531134004113004
61500051510001
7200634412603
oct35575173261
911266115101
103992254129
111769583686
12934bb8301
134b813bb66
1429c2d9173
151857451a4
hexedf4f6b1

3992254129 has 8 divisors (see below), whose sum is σ = 4058800488. Its totient is φ = 3925743360.

The previous prime is 3992254127. The next prime is 3992254139. The reversal of 3992254129 is 9214522993.

It can be written as a sum of positive squares in 4 ways, for example, as 361950625 + 3630303504 = 19025^2 + 60252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3992254129 - 21 = 3992254127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992254127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313209 + ... + 325705.

It is an arithmetic number, because the mean of its divisors is an integer number (507350061).

Almost surely, 23992254129 is an apocalyptic number.

It is an amenable number.

3992254129 is a deficient number, since it is larger than the sum of its proper divisors (66546359).

3992254129 is a wasteful number, since it uses less digits than its factorization.

3992254129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17795.

The product of its digits is 349920, while the sum is 46.

The square root of 3992254129 is about 63184.2870419537. The cubic root of 3992254129 is about 1586.3757395405.

It can be divided in two parts, 3992 and 254129, that added together give a triangular number (258121 = T718).

The spelling of 3992254129 in words is "three billion, nine hundred ninety-two million, two hundred fifty-four thousand, one hundred twenty-nine".

Divisors: 1 61 5237 12497 319457 762317 65446789 3992254129