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54809284 = 2237210009
BaseRepresentation
bin1101000100010…
…1001011000100
310211010121012111
43101011023010
5103012344114
65234430404
71233604555
oct321051304
9124117174
1054809284
1128a36032
1216432404
13b48043a
1473ca32c
154c29bc4
hex34452c4

54809284 has 18 divisors (see below), whose sum is σ = 98588490. Its totient is φ = 26661312.

The previous prime is 54809273. The next prime is 54809303. The reversal of 54809284 is 48290845.

It can be written as a sum of positive squares in 3 ways, for example, as 47997184 + 6812100 = 6928^2 + 2610^2 .

It is a super-2 number, since 2×548092842 = 6008115225185312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472 + ... + 10480.

Almost surely, 254809284 is an apocalyptic number.

It is an amenable number.

54809284 is a deficient number, since it is larger than the sum of its proper divisors (43779206).

54809284 is a wasteful number, since it uses less digits than its factorization.

54809284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087 (or 10048 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 54809284 is about 7403.3292510870. The cubic root of 54809284 is about 379.8551710320.

The spelling of 54809284 in words is "fifty-four million, eight hundred nine thousand, two hundred eighty-four".

Divisors: 1 2 4 37 74 148 1369 2738 5476 10009 20018 40036 370333 740666 1481332 13702321 27404642 54809284