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27906292 = 2259118247
BaseRepresentation
bin110101001110…
…1000011110100
31221111210020101
41222131003310
524121000132
62434043444
7456125311
oct152350364
957453211
1027906292
1114830457
129419584
135a20ccb
1439c5d08
1526b37e7
hex1a9d0f4

27906292 has 12 divisors (see below), whose sum is σ = 49664160. Its totient is φ = 13716536.

The previous prime is 27906287. The next prime is 27906301. The reversal of 27906292 is 29260972.

It is a super-2 number, since 2×279062922 = 1557522266378528, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 58888 + ... + 59359.

It is an arithmetic number, because the mean of its divisors is an integer number (4138680).

Almost surely, 227906292 is an apocalyptic number.

It is an amenable number.

27906292 is a deficient number, since it is larger than the sum of its proper divisors (21757868).

27906292 is a wasteful number, since it uses less digits than its factorization.

27906292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118310 (or 118308 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 27906292 is about 5282.6406275650. The cubic root of 27906292 is about 303.3197653903.

The spelling of 27906292 in words is "twenty-seven million, nine hundred six thousand, two hundred ninety-two".

Divisors: 1 2 4 59 118 236 118247 236494 472988 6976573 13953146 27906292