Search a number
-
+
2247091 = 72112379
BaseRepresentation
bin1000100100100110110011
311020011102121
420210212303
51033401331
6120055111
725046200
oct10444663
94204377
102247091
1112a5300
12904497
13608a52
14426ca7
152e5c11
hex2249b3

2247091 has 18 divisors (see below), whose sum is σ = 2880780. Its totient is φ = 1746360.

The previous prime is 2247083. The next prime is 2247101. The reversal of 2247091 is 1907422.

It is not a de Polignac number, because 2247091 - 23 = 2247083 is a prime.

It is a d-powerful number, because it can be written as 217 + 221 + 47 + 74 + 0 + 92 + 1 .

It is not an unprimeable number, because it can be changed into a prime (2247691) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5740 + ... + 6118.

22247091 is an apocalyptic number.

2247091 is a deficient number, since it is larger than the sum of its proper divisors (633689).

2247091 is a wasteful number, since it uses less digits than its factorization.

2247091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2247091 is about 1499.0300197127. The cubic root of 2247091 is about 130.9805732317.

The spelling of 2247091 in words is "two million, two hundred forty-seven thousand, ninety-one".

Divisors: 1 7 11 49 77 121 379 539 847 2653 4169 5929 18571 29183 45859 204281 321013 2247091