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2209094001 = 32156672
BaseRepresentation
bin1000001110101100…
…0001100101110001
312200221210121021100
42003223001211301
514011012002001
61003112315013
7105512663202
oct20353014561
95627717240
102209094001
11a33a81024
125179a2a69
13292896a1a
1416d5675a9
15cde16586
hex83ac1971

2209094001 has 9 divisors (see below), whose sum is σ = 3191117241. Its totient is φ = 1472635332.

The previous prime is 2209093979. The next prime is 2209094023. The reversal of 2209094001 is 1004909022.

The square root of 2209094001 is 47001.

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

It is an interprime number because it is at equal distance from previous prime (2209093979) and next prime (2209094023).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2209094001 - 227 = 2074876273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2209094101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 133170 + ... + 148836.

Almost surely, 22209094001 is an apocalyptic number.

2209094001 is the 47001-st square number.

2209094001 is the 23501-st centered octagonal number.

It is an amenable number.

2209094001 is a deficient number, since it is larger than the sum of its proper divisors (982023240).

2209094001 is an frugal number, since it uses more digits than its factorization.

2209094001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31340 (or 15670 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The cubic root of 2209094001 is about 1302.3810408313.

Multiplying 2209094001 by its product of nonzero digits (1296), we get a square (2862985825296 = 16920362).

The spelling of 2209094001 in words is "two billion, two hundred nine million, ninety-four thousand, one".

Divisors: 1 3 9 15667 47001 141003 245454889 736364667 2209094001