Search a number
-
+
68071201 = 1110875693
BaseRepresentation
bin1000000111010…
…10111100100001
311202002101010121
410003222330201
5114411234301
610431000241
71454411212
oct403527441
9152071117
1068071201
11354739a0
121a969081
1311144923
14907d409
155e993a1
hex40eaf21

68071201 has 8 divisors (see below), whose sum is σ = 74340864. Its totient is φ = 61815120.

The previous prime is 68071189. The next prime is 68071261. The reversal of 68071201 is 10217086.

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 68071201 - 221 = 65974049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68071261) 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, 9111 + ... + 14803.

It is an arithmetic number, because the mean of its divisors is an integer number (9292608).

Almost surely, 268071201 is an apocalyptic number.

It is an amenable number.

68071201 is a deficient number, since it is larger than the sum of its proper divisors (6269663).

68071201 is a wasteful number, since it uses less digits than its factorization.

68071201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 68071201 is about 8250.5273164811. The cubic root of 68071201 is about 408.3079202658.

Adding to 68071201 its reverse (10217086), we get a palindrome (78288287).

It can be divided in two parts, 6807 and 1201, that added together give a palindrome (8008).

The spelling of 68071201 in words is "sixty-eight million, seventy-one thousand, two hundred one".

Divisors: 1 11 1087 5693 11957 62623 6188291 68071201