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3842472749 = 73331159023
BaseRepresentation
bin1110010100000111…
…0111101100101101
3100220210021211200112
43211001313230231
530332133111444
61433141305405
7164135323313
oct34501675455
910823254615
103842472749
1116a1a80715
128b2a05265
134930b861b
1428646a0b3
1517750a69e
hexe5077b2d

3842472749 has 8 divisors (see below), whose sum is σ = 3906901632. Its totient is φ = 3778362720.

The previous prime is 3842472721. The next prime is 3842472779. The reversal of 3842472749 is 9472742483.

3842472749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3842472749 - 228 = 3574037293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3842472697 and 3842472706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842472709) 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, 55349 + ... + 103674.

It is an arithmetic number, because the mean of its divisors is an integer number (488362704).

Almost surely, 23842472749 is an apocalyptic number.

It is an amenable number.

3842472749 is a deficient number, since it is larger than the sum of its proper divisors (64428883).

3842472749 is a wasteful number, since it uses less digits than its factorization.

3842472749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159427.

The product of its digits is 2709504, while the sum is 50.

The square root of 3842472749 is about 61987.6822360701. The cubic root of 3842472749 is about 1566.2831122970.

The spelling of 3842472749 in words is "three billion, eight hundred forty-two million, four hundred seventy-two thousand, seven hundred forty-nine".

Divisors: 1 73 331 24163 159023 11608679 52636613 3842472749