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27003040 = 255168769
BaseRepresentation
bin110011100000…
…0100010100000
31212210220012121
41213000202200
523403044130
62402434024
7445344031
oct147004240
955726177
1027003040
1114273869
129062914
135795b3c
14382ca88
152585d7a
hex19c08a0

27003040 has 24 divisors (see below), whose sum is σ = 63795060. Its totient is φ = 10801152.

The previous prime is 27003037. The next prime is 27003043. The reversal of 27003040 is 4030072.

It is an interprime number because it is at equal distance from previous prime (27003037) and next prime (27003043).

It can be written as a sum of positive squares in 2 ways, for example, as 26998416 + 4624 = 5196^2 + 68^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (27003043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84225 + ... + 84544.

Almost surely, 227003040 is an apocalyptic number.

27003040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27003040 is an abundant number, since it is smaller than the sum of its proper divisors (36792020).

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

27003040 is a wasteful number, since it uses less digits than its factorization.

27003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168784 (or 168776 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 27003040 is about 5196.4449386095. Note that the first 3 decimals coincide. The cubic root of 27003040 is about 300.0112588367.

The spelling of 27003040 in words is "twenty-seven million, three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 168769 337538 675076 843845 1350152 1687690 2700304 3375380 5400608 6750760 13501520 27003040