Search a number
-
+
16290197 = 721130223
BaseRepresentation
bin111110001001…
…000110010101
31010122121221122
4332021012111
513132241242
61341053325
7255315200
oct76110625
933577848
1016290197
119217080
125557245
1334b4991
142240937
15166bad2
hexf89195

16290197 has 12 divisors (see below), whose sum is σ = 20673216. Its totient is φ = 12693240.

The previous prime is 16290191. The next prime is 16290203. The reversal of 16290197 is 79109261.

16290197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16290191) and next prime (16290203).

It is not a de Polignac number, because 16290197 - 210 = 16289173 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 (16290191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14573 + ... + 15650.

It is an arithmetic number, because the mean of its divisors is an integer number (1722768).

Almost surely, 216290197 is an apocalyptic number.

It is an amenable number.

16290197 is a deficient number, since it is larger than the sum of its proper divisors (4383019).

16290197 is a wasteful number, since it uses less digits than its factorization.

16290197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30248 (or 30241 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 16290197 is about 4036.1116188728. Note that the first 3 decimals coincide. The cubic root of 16290197 is about 253.4985301031.

The spelling of 16290197 in words is "sixteen million, two hundred ninety thousand, one hundred ninety-seven".

Divisors: 1 7 11 49 77 539 30223 211561 332453 1480927 2327171 16290197