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27055072 = 2511101761
BaseRepresentation
bin110011100110…
…1001111100000
31212220112120201
41213031033200
523411230242
62403514544
7445651522
oct147151740
955815521
1027055072
11142a9970
129088a54
1357b3725
143843a12
1525964b7
hex19cd3e0

27055072 has 48 divisors (see below), whose sum is σ = 58759344. Its totient is φ = 12160000.

The previous prime is 27055027. The next prime is 27055087.

27055072 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27055072.

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 7 ways as a sum of consecutive naturals, for example, 35172 + ... + 35932.

It is an arithmetic number, because the mean of its divisors is an integer number (1224153).

Almost surely, 227055072 is an apocalyptic number.

27055072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27055072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29379672).

27055072 is an abundant number, since it is smaller than the sum of its proper divisors (31704272).

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

27055072 is a wasteful number, since it uses less digits than its factorization.

27055072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 27055072 is about 5201.4490288765. The cubic root of 27055072 is about 300.2038318476.

It can be divided in two parts, 2705 and 5072, that added together give a palindrome (7777).

The spelling of 27055072 in words is "twenty-seven million, fifty-five thousand, seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 101 176 202 352 404 761 808 1111 1522 1616 2222 3044 3232 4444 6088 8371 8888 12176 16742 17776 24352 33484 35552 66968 76861 133936 153722 267872 307444 614888 845471 1229776 1690942 2459552 3381884 6763768 13527536 27055072