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2190159 = 359013
BaseRepresentation
bin1000010110101101001111
311010021100000
420112231033
51030041114
6114535343
724421206
oct10265517
94107300
102190159
111266554
12897553
135b8b6a
1441023d
152d3e09
hex216b4f

2190159 has 12 divisors (see below), whose sum is σ = 3281096. Its totient is φ = 1459944.

The previous prime is 2190157. The next prime is 2190169. The reversal of 2190159 is 9510912.

It is a happy number.

It is not a de Polignac number, because 2190159 - 21 = 2190157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190157) 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, 4264 + ... + 4749.

22190159 is an apocalyptic number.

2190159 is a deficient number, since it is larger than the sum of its proper divisors (1090937).

2190159 is an frugal number, since it uses more digits than its factorization.

2190159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9028 (or 9016 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2190159 is about 1479.9185788414. The cubic root of 2190159 is about 129.8649287418.

It can be divided in two parts, 219015 and 9, that added together give a square (219024 = 4682).

The spelling of 2190159 in words is "two million, one hundred ninety thousand, one hundred fifty-nine".

Divisors: 1 3 9 27 81 243 9013 27039 81117 243351 730053 2190159