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27033940 = 2251351697
BaseRepresentation
bin110011100100…
…0000101010100
31212212110121001
41213020011110
523410041230
62403233044
7445533103
oct147100524
955773531
1027033940
1114294aaa
129078784
1357a6c1b
14383a03a
1525900ca
hex19c8154

27033940 has 12 divisors (see below), whose sum is σ = 56771316. Its totient is φ = 10813568.

The previous prime is 27033911. The next prime is 27033943. The reversal of 27033940 is 4933072.

It can be written as a sum of positive squares in 2 ways, for example, as 18284176 + 8749764 = 4276^2 + 2958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27033899 and 27033908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27033943) 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, 675829 + ... + 675868.

It is an arithmetic number, because the mean of its divisors is an integer number (4730943).

Almost surely, 227033940 is an apocalyptic number.

27033940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27033940 is an abundant number, since it is smaller than the sum of its proper divisors (29737376).

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

27033940 is a wasteful number, since it uses less digits than its factorization.

27033940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351706 (or 1351704 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 27033940 is about 5199.4172750415. The cubic root of 27033940 is about 300.1256510691.

The spelling of 27033940 in words is "twenty-seven million, thirty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1351697 2703394 5406788 6758485 13516970 27033940