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2281330 = 251912007
BaseRepresentation
bin1000101100111101110010
311021220101201
420230331302
51041000310
6120521414
725251052
oct10547562
94256351
102281330
111318aa7
1292026a
1361b4cc
14435562
15300e3a
hex22cf72

2281330 has 16 divisors (see below), whose sum is σ = 4322880. Its totient is φ = 864432.

The previous prime is 2281327. The next prime is 2281361. The reversal of 2281330 is 331822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 2281298 and 2281307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5814 + ... + 6193.

It is an arithmetic number, because the mean of its divisors is an integer number (270180).

22281330 is an apocalyptic number.

2281330 is a deficient number, since it is larger than the sum of its proper divisors (2041550).

2281330 is a wasteful number, since it uses less digits than its factorization.

2281330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2281330 is about 1510.4072298556. The cubic root of 2281330 is about 131.6424745027.

The spelling of 2281330 in words is "two million, two hundred eighty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 12007 24014 60035 120070 228133 456266 1140665 2281330