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5457280 = 2758527
BaseRepresentation
bin10100110100010110000000
3101021020222111
4110310112000
52344113110
6312545104
764246303
oct24642600
911236874
105457280
113098154
1219b2194
131190c7a
14a20b3a
1572be8a
hex534580

5457280 has 32 divisors (see below), whose sum is σ = 13047840. Its totient is φ = 2182656.

The previous prime is 5457253. The next prime is 5457293. The reversal of 5457280 is 827545.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 3624 + ... + 4903.

It is an arithmetic number, because the mean of its divisors is an integer number (407745).

Almost surely, 25457280 is an apocalyptic number.

It is an amenable number.

5457280 is an abundant number, since it is smaller than the sum of its proper divisors (7590560).

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

5457280 is an equidigital number, since it uses as much as digits as its factorization.

5457280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546 (or 8534 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 5457280 is about 2336.0821903349. The cubic root of 5457280 is about 176.0592087293.

The spelling of 5457280 in words is "five million, four hundred fifty-seven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 8527 17054 34108 42635 68216 85270 136432 170540 272864 341080 545728 682160 1091456 1364320 2728640 5457280