Search a number
-
+
68500570 = 256850057
BaseRepresentation
bin1000001010100…
…11110001011010
311202220012010011
410011103301122
5120014004240
610444112134
71461150055
oct405236132
9152805104
1068500570
1135737546
121ab3564a
13112651a8
149151a9c
1560316ea
hex4153c5a

68500570 has 8 divisors (see below), whose sum is σ = 123301044. Its totient is φ = 27400224.

The previous prime is 68500543. The next prime is 68500571. The reversal of 68500570 is 7500586.

It can be written as a sum of positive squares in 2 ways, for example, as 57866449 + 10634121 = 7607^2 + 3261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68500571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425019 + ... + 3425038.

Almost surely, 268500570 is an apocalyptic number.

68500570 is a deficient number, since it is larger than the sum of its proper divisors (54800474).

68500570 is a wasteful number, since it uses less digits than its factorization.

68500570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850064.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 68500570 is about 8276.5071135111. The cubic root of 68500570 is about 409.1646087495.

The spelling of 68500570 in words is "sixty-eight million, five hundred thousand, five hundred seventy".

Divisors: 1 2 5 10 6850057 13700114 34250285 68500570