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4048432985 = 54159194683
BaseRepresentation
bin1111000101001110…
…0010111101011001
3101110010211201000102
43301103202331121
531242344323420
61505415545145
7202216053422
oct36123427531
911403751012
104048432985
111798264693
1294b98b1b5
134c697b79c
142a5960649
1518a640a75
hexf14e2f59

4048432985 has 8 divisors (see below), whose sum is σ = 4859312640. Its totient is φ = 3237951024.

The previous prime is 4048432967. The next prime is 4048432987. The reversal of 4048432985 is 5892348404.

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 4048432985 - 220 = 4047384409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4048432987) 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, 76547 + ... + 118136.

It is an arithmetic number, because the mean of its divisors is an integer number (607414080).

Almost surely, 24048432985 is an apocalyptic number.

It is an amenable number.

4048432985 is a deficient number, since it is larger than the sum of its proper divisors (810879655).

4048432985 is a wasteful number, since it uses less digits than its factorization.

4048432985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198847.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 4048432985 is about 63627.2974830772. The cubic root of 4048432985 is about 1593.7822467703.

The spelling of 4048432985 in words is "four billion, forty-eight million, four hundred thirty-two thousand, nine hundred eighty-five".

Divisors: 1 5 4159 20795 194683 973415 809686597 4048432985