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2281552 = 247131567
BaseRepresentation
bin1000101101000001010000
311021220200221
420231001100
51041002202
6120522424
725251520
oct10550120
94256627
102281552
111319189
12920414
1361b640
14435680
15301037
hex22d050

2281552 has 40 divisors (see below), whose sum is σ = 5444096. Its totient is φ = 902016.

The previous prime is 2281529. The next prime is 2281567. The reversal of 2281552 is 2551822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673 + ... + 2239.

22281552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2281552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722048).

2281552 is an abundant number, since it is smaller than the sum of its proper divisors (3162544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2281552 is a wasteful number, since it uses less digits than its factorization.

2281552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1589 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2281552 is about 1510.4807181821. The cubic root of 2281552 is about 131.6467444799.

The spelling of 2281552 in words is "two million, two hundred eighty-one thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 1567 3134 6268 10969 12536 20371 21938 25072 40742 43876 81484 87752 142597 162968 175504 285194 325936 570388 1140776 2281552