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27428652 = 2233253969
BaseRepresentation
bin110100010100…
…0011100101100
31220121112001000
41220220130230
524010204102
62415520300
7452065626
oct150503454
956545030
1027428652
1114534609
129229090
1358b4794
1438ddc16
15261c01c
hex1a2872c

27428652 has 24 divisors (see below), whose sum is σ = 71111600. Its totient is φ = 9142848.

The previous prime is 27428617. The next prime is 27428657. The reversal of 27428652 is 25682472.

It is a super-3 number, since 3×274286523 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27428657) 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, 126877 + ... + 127092.

Almost surely, 227428652 is an apocalyptic number.

It is an amenable number.

27428652 is an abundant number, since it is smaller than the sum of its proper divisors (43682948).

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

27428652 is a wasteful number, since it uses less digits than its factorization.

27428652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253982 (or 253974 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 27428652 is about 5237.2370578388. The cubic root of 27428652 is about 301.5792717475.

It can be divided in two parts, 27 and 428652, that multiplied together give a square (11573604 = 34022).

The spelling of 27428652 in words is "twenty-seven million, four hundred twenty-eight thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 253969 507938 761907 1015876 1523814 2285721 3047628 4571442 6857163 9142884 13714326 27428652