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20483756 = 225120939
BaseRepresentation
bin100111000100…
…0111010101100
31102112200102122
41032020322230
520220440011
62011012112
7336052256
oct116107254
942480378
1020483756
1110620827
126a3a038
134322687
142a12cd6
151be93db
hex1388eac

20483756 has 6 divisors (see below), whose sum is σ = 35846580. Its totient is φ = 10241876.

The previous prime is 20483747. The next prime is 20483779. The reversal of 20483756 is 65738402.

It is a happy number.

It is a super-5 number, since 5×204837565 (a number of 38 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560466 + ... + 2560473.

It is an arithmetic number, because the mean of its divisors is an integer number (5974430).

Almost surely, 220483756 is an apocalyptic number.

It is an amenable number.

20483756 is a deficient number, since it is larger than the sum of its proper divisors (15362824).

20483756 is a wasteful number, since it uses less digits than its factorization.

20483756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120943 (or 5120941 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 20483756 is about 4525.8983638610. The cubic root of 20483756 is about 273.6128761481.

The spelling of 20483756 in words is "twenty million, four hundred eighty-three thousand, seven hundred fifty-six".

Divisors: 1 2 4 5120939 10241878 20483756