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2605472 = 2581421
BaseRepresentation
bin1001111100000110100000
311220101000222
421330012200
51131333342
6131502212
731101062
oct11740640
94811028
102605472
11151a591
12a57968
13702bcc
144bb732
15366ed2
hex27c1a0

2605472 has 12 divisors (see below), whose sum is σ = 5129586. Its totient is φ = 1302720.

The previous prime is 2605439. The next prime is 2605481. The reversal of 2605472 is 2745062.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 1175056 = 1196^2 + 1084^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40679 + ... + 40742.

22605472 is an apocalyptic number.

It is an amenable number.

2605472 is a deficient number, since it is larger than the sum of its proper divisors (2524114).

2605472 is an equidigital number, since it uses as much as digits as its factorization.

2605472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81431 (or 81423 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2605472 is about 1614.1474529918. The cubic root of 2605472 is about 137.6032854813.

The spelling of 2605472 in words is "two million, six hundred five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 81421 162842 325684 651368 1302736 2605472