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3253728743 = 4097955327
BaseRepresentation
bin1100000111101111…
…1111010111100111
322101202110112201222
43001323333113213
523130423304433
61254510410555
7143426144426
oct30173772747
98352415658
103253728743
11141a710621
12769800a5b
133cb1311a5
1422c1b32bd
151409b2b98
hexc1eff5e7

3253728743 has 4 divisors (see below), whose sum is σ = 3261684480. Its totient is φ = 3245773008.

The previous prime is 3253728727. The next prime is 3253728749. The reversal of 3253728743 is 3478273523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3478273523 = 3554397861.

It is a cyclic number.

It is not a de Polignac number, because 3253728743 - 24 = 3253728727 is a prime.

It is a super-3 number, since 3×32537287433 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3253728694 and 3253728703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3253728749) 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, 3977255 + ... + 3978072.

It is an arithmetic number, because the mean of its divisors is an integer number (815421120).

Almost surely, 23253728743 is an apocalyptic number.

3253728743 is a deficient number, since it is larger than the sum of its proper divisors (7955737).

3253728743 is an equidigital number, since it uses as much as digits as its factorization.

3253728743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955736.

The product of its digits is 846720, while the sum is 44.

The square root of 3253728743 is about 57041.4651196829. The cubic root of 3253728743 is about 1481.8142990571.

The spelling of 3253728743 in words is "three billion, two hundred fifty-three million, seven hundred twenty-eight thousand, seven hundred forty-three".

Divisors: 1 409 7955327 3253728743