Search a number
-
+
170070051 = 356690017
BaseRepresentation
bin10100010001100…
…01000000100011
3102212000110020210
422020301000203
5322014220201
624513105203
74133400024
oct1210610043
9385013223
10170070051
1188000168
1248b58203
1329308188
1418830c4b
15ede61d6
hexa231023

170070051 has 4 divisors (see below), whose sum is σ = 226760072. Its totient is φ = 113380032.

The previous prime is 170070041. The next prime is 170070059. The reversal of 170070051 is 150070071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150070071 = 350023357.

It is not a de Polignac number, because 170070051 - 26 = 170069987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170070059) 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, 28345006 + ... + 28345011.

It is an arithmetic number, because the mean of its divisors is an integer number (56690018).

Almost surely, 2170070051 is an apocalyptic number.

170070051 is a deficient number, since it is larger than the sum of its proper divisors (56690021).

170070051 is an equidigital number, since it uses as much as digits as its factorization.

170070051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56690020.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 170070051 is about 13041.0908669482. The cubic root of 170070051 is about 554.0419051482.

The spelling of 170070051 in words is "one hundred seventy million, seventy thousand, fifty-one".

Divisors: 1 3 56690017 170070051