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2201481 = 32331739
BaseRepresentation
bin1000011001011110001001
311010211212100
420121132021
51030421411
6115104013
724466212
oct10313611
94124770
102201481
111274007
128a2009
135c1069
14414409
152d7456
hex219789

2201481 has 12 divisors (see below), whose sum is σ = 3193840. Its totient is φ = 1461240.

The previous prime is 2201443. The next prime is 2201489. The reversal of 2201481 is 1841022.

It is not a de Polignac number, because 2201481 - 26 = 2201417 is a prime.

It is a super-2 number, since 2×22014812 = 9693037186722, which contains 22 as substring.

It is a Duffinian number.

2201481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2201489) 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, 2610 + ... + 3348.

22201481 is an apocalyptic number.

It is an amenable number.

2201481 is a deficient number, since it is larger than the sum of its proper divisors (992359).

2201481 is a wasteful number, since it uses less digits than its factorization.

2201481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2201481 is about 1483.7388584249. The cubic root of 2201481 is about 130.0883226226.

The spelling of 2201481 in words is "two million, two hundred one thousand, four hundred eighty-one".

Divisors: 1 3 9 331 739 993 2217 2979 6651 244609 733827 2201481