Search a number
-
+
170390084 = 22193322037
BaseRepresentation
bin10100010011111…
…11001001000100
3102212121201020212
422021333021010
5322104440314
624524014552
74136202044
oct1211771104
9385551225
10170390084
11881a9657
1249091458
13293baa47
14188b5724
15ee5ae3e
hexa27f244

170390084 has 12 divisors (see below), whose sum is σ = 298350444. Its totient is φ = 85147104.

The previous prime is 170390083. The next prime is 170390107. The reversal of 170390084 is 480093071.

It can be written as a sum of positive squares in 2 ways, for example, as 62853184 + 107536900 = 7928^2 + 10370^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 170390084.

It is not an unprimeable number, because it can be changed into a prime (170390083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287 + ... + 18750.

It is an arithmetic number, because the mean of its divisors is an integer number (24862537).

Almost surely, 2170390084 is an apocalyptic number.

It is an amenable number.

170390084 is a deficient number, since it is larger than the sum of its proper divisors (127960360).

170390084 is a wasteful number, since it uses less digits than its factorization.

170390084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23974 (or 23972 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 170390084 is about 13053.3552774756. The cubic root of 170390084 is about 554.3892141699.

The spelling of 170390084 in words is "one hundred seventy million, three hundred ninety thousand, eighty-four".

Divisors: 1 2 4 1933 3866 7732 22037 44074 88148 42597521 85195042 170390084