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3873814749 = 327423114533
BaseRepresentation
bin1110011011100101…
…1011100011011101
3100222222021011211100
43212321123203131
530413144032444
61440221143313
7164665611360
oct34671334335
910888234740
103873814749
1117087383a2
129013bab39
1349974039c
1428a6a80d7
1517a14be69
hexe6e5b8dd

3873814749 has 24 divisors (see below), whose sum is σ = 6396820352. Its totient is φ = 2212932960.

The previous prime is 3873814739. The next prime is 3873814757. The reversal of 3873814749 is 9474183783.

It is not a de Polignac number, because 3873814749 - 213 = 3873806557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3873814695 and 3873814704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873814739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259287 + ... + 273819.

Almost surely, 23873814749 is an apocalyptic number.

It is an amenable number.

3873814749 is a deficient number, since it is larger than the sum of its proper divisors (2523005603).

3873814749 is a wasteful number, since it uses less digits than its factorization.

3873814749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18777 (or 18774 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 3873814749 is about 62239.9770967182. The cubic root of 3873814749 is about 1570.5301668734.

The spelling of 3873814749 in words is "three billion, eight hundred seventy-three million, eight hundred fourteen thousand, seven hundred forty-nine".

Divisors: 1 3 7 9 21 63 4231 12693 14533 29617 38079 43599 88851 101731 130797 266553 305193 915579 61489123 184467369 430423861 553402107 1291271583 3873814749