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53809076 = 2261220529
BaseRepresentation
bin1100110101000…
…0111110110100
310202020210011202
43031100332310
5102233342301
65201152032
71222240526
oct315207664
9122223152
1053809076
1128412612
121602b618
13b1c00b9
147209a16
154acd66b
hex3350fb4

53809076 has 12 divisors (see below), whose sum is σ = 95710020. Its totient is φ = 26463360.

The previous prime is 53809061. The next prime is 53809109. The reversal of 53809076 is 67090835.

It can be written as a sum of positive squares in 2 ways, for example, as 2972176 + 50836900 = 1724^2 + 7130^2 .

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, 110021 + ... + 110508.

It is an arithmetic number, because the mean of its divisors is an integer number (7975835).

Almost surely, 253809076 is an apocalyptic number.

It is an amenable number.

53809076 is a deficient number, since it is larger than the sum of its proper divisors (41900944).

53809076 is a wasteful number, since it uses less digits than its factorization.

53809076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220594 (or 220592 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 53809076 is about 7335.4669926324. The cubic root of 53809076 is about 377.5303275198.

The spelling of 53809076 in words is "fifty-three million, eight hundred nine thousand, seventy-six".

Divisors: 1 2 4 61 122 244 220529 441058 882116 13452269 26904538 53809076