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27400004 = 228577993
BaseRepresentation
bin110100010000…
…1011101000100
31220120001201222
41220201131010
524003300004
62415135512
7451616252
oct150413504
956501658
1027400004
1114515035
129214598
1358a4728
1438d35d2
1526137be
hex1a21744

27400004 has 12 divisors (see below), whose sum is σ = 48011964. Its totient is φ = 13682304.

The previous prime is 27400003. The next prime is 27400049. The reversal of 27400004 is 40000472.

It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 13322500 = 3752^2 + 3650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27400003) 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, 569 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (4000997).

Almost surely, 227400004 is an apocalyptic number.

It is an amenable number.

27400004 is a deficient number, since it is larger than the sum of its proper divisors (20611960).

27400004 is a wasteful number, since it uses less digits than its factorization.

27400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854 (or 8852 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 27400004 is about 5234.5013134013. The cubic root of 27400004 is about 301.4742398192.

Adding to 27400004 its reverse (40000472), we get a palindrome (67400476).

The spelling of 27400004 in words is "twenty-seven million, four hundred thousand, four".

Divisors: 1 2 4 857 1714 3428 7993 15986 31972 6850001 13700002 27400004