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27942572 = 227997949
BaseRepresentation
bin110101010010…
…1111010101100
31221120122000002
41222211322230
524123130242
62434523432
7456336140
oct152457254
957518002
1027942572
1114855739
129436578
135a34688
1439d5220
1526be432
hex1aa5eac

27942572 has 12 divisors (see below), whose sum is σ = 55885200. Its totient is φ = 11975376.

The previous prime is 27942557. The next prime is 27942583. The reversal of 27942572 is 27524972.

27942572 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498947 + ... + 499002.

It is an arithmetic number, because the mean of its divisors is an integer number (4657100).

Almost surely, 227942572 is an apocalyptic number.

It is an amenable number.

27942572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27942572 is a wasteful number, since it uses less digits than its factorization.

27942572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997960 (or 997958 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 27942572 is about 5286.0734009281. The cubic root of 27942572 is about 303.4511536294.

The spelling of 27942572 in words is "twenty-seven million, nine hundred forty-two thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 997949 1995898 3991796 6985643 13971286 27942572