Search a number
-
+
3985033471 = 43346126777
BaseRepresentation
bin1110110110000110…
…1100100011111111
3101021201112200020021
43231201230203333
531130132032341
61455233033011
7200516140246
oct35541544377
911251480207
103985033471
1117654a16a1
129326b5767
134b67b1393
1429b37995d
15184cba9d1
hexed86c8ff

3985033471 has 8 divisors (see below), whose sum is σ = 4079039184. Its totient is φ = 3891088320.

The previous prime is 3985033453. The next prime is 3985033561. The reversal of 3985033471 is 1743305893.

It is a happy number.

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 3985033471 - 25 = 3985033439 is a prime.

It is a super-3 number, since 3×39850334713 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985033411) 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, 135435 + ... + 162211.

It is an arithmetic number, because the mean of its divisors is an integer number (509879898).

Almost surely, 23985033471 is an apocalyptic number.

3985033471 is a deficient number, since it is larger than the sum of its proper divisors (94005713).

3985033471 is a wasteful number, since it uses less digits than its factorization.

3985033471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30281.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 3985033471 is about 63127.1215168251. The cubic root of 3985033471 is about 1585.4187539086.

The spelling of 3985033471 in words is "three billion, nine hundred eighty-five million, thirty-three thousand, four hundred seventy-one".

Divisors: 1 43 3461 26777 148823 1151411 92675197 3985033471