Search a number
-
+
170052061 = 1491141289
BaseRepresentation
bin10100010001011…
…00100111011101
3102211222112120111
422020230213131
5322013131221
624512450021
74133263414
oct1210544735
9384875514
10170052061
1187a986a3
1248b49911
13292ccc2a
141882847b
15ede0be1
hexa22c9dd

170052061 has 4 divisors (see below), whose sum is σ = 171193500. Its totient is φ = 168910624.

The previous prime is 170052059. The next prime is 170052083. The reversal of 170052061 is 160250071.

170052061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160250071 = 374331083.

It can be written as a sum of positive squares in 2 ways, for example, as 93489561 + 76562500 = 9669^2 + 8750^2 .

It is a cyclic number.

It is not a de Polignac number, because 170052061 - 21 = 170052059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170052031) 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, 570496 + ... + 570793.

It is an arithmetic number, because the mean of its divisors is an integer number (42798375).

Almost surely, 2170052061 is an apocalyptic number.

It is an amenable number.

170052061 is a deficient number, since it is larger than the sum of its proper divisors (1141439).

170052061 is a wasteful number, since it uses less digits than its factorization.

170052061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141438.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 170052061 is about 13040.4011057943. The cubic root of 170052061 is about 554.0223689526.

The spelling of 170052061 in words is "one hundred seventy million, fifty-two thousand, sixty-one".

Divisors: 1 149 1141289 170052061