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8053780 = 225757527
BaseRepresentation
bin11110101110010000010100
3120011011201011
4132232100110
54030210110
6444342004
7125312260
oct36562024
916134634
108053780
114600a19
122844904
13188ca67
1410d90a0
15a9148a
hex7ae414

8053780 has 24 divisors (see below), whose sum is σ = 19329408. Its totient is φ = 2761248.

The previous prime is 8053763. The next prime is 8053781. The reversal of 8053780 is 873508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8053781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28624 + ... + 28903.

It is an arithmetic number, because the mean of its divisors is an integer number (805392).

Almost surely, 28053780 is an apocalyptic number.

It is an amenable number.

8053780 is an abundant number, since it is smaller than the sum of its proper divisors (11275628).

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

8053780 is a wasteful number, since it uses less digits than its factorization.

8053780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57543 (or 57541 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 8053780 is about 2837.9182511130. The cubic root of 8053780 is about 200.4471661338.

The spelling of 8053780 in words is "eight million, fifty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 57527 115054 230108 287635 402689 575270 805378 1150540 1610756 2013445 4026890 8053780