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27101928 = 2337353457
BaseRepresentation
bin110011101100…
…0101011101000
31212222220212010
41213120223220
523414230203
62404515520
7446235240
oct147305350
955886763
1027101928
1114331097
1290abba0
1357cbb59
143856b20
1525a5303
hex19d8ae8

27101928 has 64 divisors (see below), whose sum is σ = 77823360. Its totient is φ = 7704576.

The previous prime is 27101917. The next prime is 27101941. The reversal of 27101928 is 82910172.

It is a junction number, because it is equal to n+sod(n) for n = 27101895 and 27101904.

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, 59076 + ... + 59532.

It is an arithmetic number, because the mean of its divisors is an integer number (1215990).

Almost surely, 227101928 is an apocalyptic number.

27101928 is a gapful number since it is divisible by the number (28) 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 27101928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38911680).

27101928 is an abundant number, since it is smaller than the sum of its proper divisors (50721432).

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

27101928 is a wasteful number, since it uses less digits than its factorization.

27101928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 27101928 is about 5205.9512099135. The cubic root of 27101928 is about 300.3770370561.

The spelling of 27101928 in words is "twenty-seven million, one hundred one thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 353 457 706 914 1059 1371 1412 1828 2118 2471 2742 2824 3199 3656 4236 4942 5484 6398 7413 8472 9597 9884 10968 12796 14826 19194 19768 25592 29652 38388 59304 76776 161321 322642 483963 645284 967926 1129247 1290568 1935852 2258494 3387741 3871704 4516988 6775482 9033976 13550964 27101928