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2152089 = 341632
BaseRepresentation
bin1000001101011010011001
311001100010000
420031122121
51022331324
6114043213
724202212
oct10153231
94040100
102152089
11123a995
12879509
135a4734
14400409
152c79c9
hex20d699

2152089 has 15 divisors (see below), whose sum is σ = 3234693. Its totient is φ = 1425924.

The previous prime is 2152079. The next prime is 2152093. The reversal of 2152089 is 9802512.

The square root of 2152089 is 1467.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2152089 - 217 = 2021017 is a prime.

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

2152089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2152009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 13122 + ... + 13284.

22152089 is an apocalyptic number.

2152089 is the 1467-th square number.

2152089 is the 734-th centered octagonal number.

It is an amenable number.

2152089 is a deficient number, since it is larger than the sum of its proper divisors (1082604).

2152089 is an frugal number, since it uses more digits than its factorization.

2152089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The cubic root of 2152089 is about 129.1080760053.

It can be divided in two parts, 21520 and 89, that added together give a square (21609 = 1472).

The spelling of 2152089 in words is "two million, one hundred fifty-two thousand, eighty-nine".

Divisors: 1 3 9 27 81 163 489 1467 4401 13203 26569 79707 239121 717363 2152089