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2066464 = 2564577
BaseRepresentation
bin111111000100000100000
310212222122201
413320200200
51012111324
6112142544
723364451
oct7704040
93788581
102066464
111191624
12837a54
1357477a
143bb128
152ac444
hex1f8820

2066464 has 12 divisors (see below), whose sum is σ = 4068414. Its totient is φ = 1033216.

The previous prime is 2066461. The next prime is 2066473. The reversal of 2066464 is 4646602.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 478864 = 1260^2 + 692^2 .

It is not an unprimeable number, because it can be changed into a prime (2066461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32257 + ... + 32320.

22066464 is an apocalyptic number.

It is an amenable number.

2066464 is a deficient number, since it is larger than the sum of its proper divisors (2001950).

2066464 is an equidigital number, since it uses as much as digits as its factorization.

2066464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64587 (or 64579 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2066464 is about 1437.5200868162. The cubic root of 2066464 is about 127.3725806365.

It can be divided in two parts, 206 and 6464, that added together give a triangular number (6670 = T115).

The spelling of 2066464 in words is "two million, sixty-six thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 64577 129154 258308 516616 1033232 2066464