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3842469549 = 33911156217
BaseRepresentation
bin1110010100000111…
…0110111010101101
3100220210021200022000
43211001312322231
530332133011144
61433141242513
7164135311062
oct34501667255
910823250260
103842469549
1116a1a79276
128b2a03439
134930b7029
14286468c69
15177509769
hexe5076ead

3842469549 has 16 divisors (see below), whose sum is σ = 5698832640. Its totient is φ = 2558818080.

The previous prime is 3842469509. The next prime is 3842469559. The reversal of 3842469549 is 9459642483.

3842469549 is a `hidden beast` number, since 38 + 4 + 2 + 4 + 69 + 549 = 666.

It is a de Polignac number, because none of the positive numbers 2k-3842469549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3842469495 and 3842469504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842469509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53512 + ... + 102705.

It is an arithmetic number, because the mean of its divisors is an integer number (356177040).

Almost surely, 23842469549 is an apocalyptic number.

It is an amenable number.

3842469549 is a deficient number, since it is larger than the sum of its proper divisors (1856363091).

3842469549 is a wasteful number, since it uses less digits than its factorization.

3842469549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157137 (or 157131 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 3842469549 is about 61987.6564244850. The cubic root of 3842469549 is about 1566.2826774982.

The spelling of 3842469549 in words is "three billion, eight hundred forty-two million, four hundred sixty-nine thousand, five hundred forty-nine".

Divisors: 1 3 9 27 911 2733 8199 24597 156217 468651 1405953 4217859 142313687 426941061 1280823183 3842469549