Search a number
-
+
170075420 = 2259918581
BaseRepresentation
bin10100010001100…
…10010100011100
3102212000201121122
422020302110130
5322014403140
624513150112
74133421464
oct1210622434
9385021548
10170075420
11880041a9
1248b5b338
132930a758
1418832ba4
15ede7ab5
hexa23251c

170075420 has 24 divisors (see below), whose sum is σ = 357560448. Its totient is φ = 67953600.

The previous prime is 170075417. The next prime is 170075443. The reversal of 170075420 is 24570071.

It is a self number, because there is not a number n which added to its sum of digits gives 170075420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15530 + ... + 24110.

It is an arithmetic number, because the mean of its divisors is an integer number (14898352).

Almost surely, 2170075420 is an apocalyptic number.

170075420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170075420 is an abundant number, since it is smaller than the sum of its proper divisors (187485028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

170075420 is a wasteful number, since it uses less digits than its factorization.

170075420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581 (or 9579 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 170075420 is about 13041.2967146676. The cubic root of 170075420 is about 554.0477353334.

The spelling of 170075420 in words is "one hundred seventy million, seventy-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 991 1982 3964 4955 8581 9910 17162 19820 34324 42905 85810 171620 8503771 17007542 34015084 42518855 85037710 170075420