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2275624 = 231321881
BaseRepresentation
bin1000101011100100101000
311021121120101
420223210220
51040304444
6120435144
725225321
oct10534450
94247511
102275624
11131478a
12918ab4
13618a30
14433448
152ee3d4
hex22b928

2275624 has 16 divisors (see below), whose sum is σ = 4595220. Its totient is φ = 1050240.

The previous prime is 2275619. The next prime is 2275633. The reversal of 2275624 is 4265722.

It can be written as a sum of positive squares in 2 ways, for example, as 1664100 + 611524 = 1290^2 + 782^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2275592 and 2275601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10837 + ... + 11044.

22275624 is an apocalyptic number.

It is an amenable number.

2275624 is an abundant number, since it is smaller than the sum of its proper divisors (2319596).

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

2275624 is a wasteful number, since it uses less digits than its factorization.

2275624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21900 (or 21896 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 2275624 is about 1508.5171527033. The cubic root of 2275624 is about 131.5326293561.

The spelling of 2275624 in words is "two million, two hundred seventy-five thousand, six hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 21881 43762 87524 175048 284453 568906 1137812 2275624