Search a number
-
+
7985201 = 74127823
BaseRepresentation
bin11110011101100000110001
3120000200122012
4132131200301
54021011301
6443052305
7124605320
oct36354061
916020565
107985201
114564444
122811095
131867793
1410bc0b7
15a7aebb
hex79d831

7985201 has 8 divisors (see below), whose sum is σ = 9348864. Its totient is φ = 6677280.

The previous prime is 7985171. The next prime is 7985203. The reversal of 7985201 is 1025897.

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 7985201 - 214 = 7968817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7985203) 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, 13625 + ... + 14198.

It is an arithmetic number, because the mean of its divisors is an integer number (1168608).

Almost surely, 27985201 is an apocalyptic number.

It is an amenable number.

7985201 is a deficient number, since it is larger than the sum of its proper divisors (1363663).

7985201 is a wasteful number, since it uses less digits than its factorization.

7985201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27871.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 7985201 is about 2825.8097954392. The cubic root of 7985201 is about 199.8765988765.

The spelling of 7985201 in words is "seven million, nine hundred eighty-five thousand, two hundred one".

Divisors: 1 7 41 287 27823 194761 1140743 7985201