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27400054 = 2113741821
BaseRepresentation
bin110100010000…
…1011101110110
31220120001210211
41220201131312
524003300204
62415140034
7451616353
oct150413566
956501724
1027400054
1114515080
12921461a
1358a4766
1438d362a
152613804
hex1a21776

27400054 has 32 divisors (see below), whose sum is σ = 47228832. Its totient is φ = 11808000.

The previous prime is 27400049. The next prime is 27400103. The reversal of 27400054 is 45000472.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 27399998 and 27400034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32964 + ... + 33784.

It is an arithmetic number, because the mean of its divisors is an integer number (1475901).

Almost surely, 227400054 is an apocalyptic number.

27400054 is a deficient number, since it is larger than the sum of its proper divisors (19828778).

27400054 is a wasteful number, since it uses less digits than its factorization.

27400054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 27400054 is about 5234.5060894033. The cubic root of 27400054 is about 301.4744231975.

The spelling of 27400054 in words is "twenty-seven million, four hundred thousand, fifty-four".

Divisors: 1 2 11 22 37 41 74 82 407 451 814 821 902 1517 1642 3034 9031 16687 18062 30377 33374 33661 60754 67322 334147 370271 668294 740542 1245457 2490914 13700027 27400054