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5474640 = 243522811
BaseRepresentation
bin10100111000100101010000
3101022010210110
4110320211100
52400142030
6313201320
764351023
oct24704520
911263713
105474640
1130aa1a6
121a00240
131198b42
14a271ba
157321b0
hex538950

5474640 has 40 divisors (see below), whose sum is σ = 16972128. Its totient is φ = 1459840.

The previous prime is 5474627. The next prime is 5474647. The reversal of 5474640 is 464745.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5474598 and 5474607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5474647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11166 + ... + 11645.

Almost surely, 25474640 is an apocalyptic number.

It is an amenable number.

5474640 is an abundant number, since it is smaller than the sum of its proper divisors (11497488).

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

5474640 is a wasteful number, since it uses less digits than its factorization.

5474640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827 (or 22821 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 5474640 is about 2339.7948628031. The cubic root of 5474640 is about 176.2456967915.

The spelling of 5474640 in words is "five million, four hundred seventy-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 22811 45622 68433 91244 114055 136866 182488 228110 273732 342165 364976 456220 547464 684330 912440 1094928 1368660 1824880 2737320 5474640