Search a number
-
+
4070145 = 35318753
BaseRepresentation
bin1111100001101100000001
321122210012010
433201230001
52020221040
6223123133
746411212
oct17415401
97583163
104070145
11232aa62
1214434a9
13ac6791
1477d409
15555e80
hex3e1b01

4070145 has 16 divisors (see below), whose sum is σ = 6723072. Its totient is φ = 2100480.

The previous prime is 4070137. The next prime is 4070167. The reversal of 4070145 is 5410704.

It is not a de Polignac number, because 4070145 - 23 = 4070137 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3912 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (420192).

Almost surely, 24070145 is an apocalyptic number.

It is an amenable number.

4070145 is a deficient number, since it is larger than the sum of its proper divisors (2652927).

4070145 is a wasteful number, since it uses less digits than its factorization.

4070145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 4070145 is about 2017.4600367789. The cubic root of 4070145 is about 159.6626355116.

Adding to 4070145 its reverse (5410704), we get a palindrome (9480849).

The spelling of 4070145 in words is "four million, seventy thousand, one hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 8753 26259 43765 131295 271343 814029 1356715 4070145