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27061472 = 251947947
BaseRepresentation
bin110011100111…
…0110011100000
31212220212100202
41213032303200
523411431342
62404004332
7446006264
oct147166340
955825322
1027061472
1114303759
1290906a8
1357b6609
1438460a4
152598332
hex19cece0

27061472 has 48 divisors (see below), whose sum is σ = 57335040. Its totient is φ = 12532608.

The previous prime is 27061469. The next prime is 27061487. The reversal of 27061472 is 27416072.

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, 28103 + ... + 29049.

It is an arithmetic number, because the mean of its divisors is an integer number (1194480).

Almost surely, 227061472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27061472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28667520).

27061472 is an abundant number, since it is smaller than the sum of its proper divisors (30273568).

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

27061472 is a wasteful number, since it uses less digits than its factorization.

27061472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 27061472 is about 5202.0642056784. The cubic root of 27061472 is about 300.2275015073.

The spelling of 27061472 in words is "twenty-seven million, sixty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 32 38 47 76 94 152 188 304 376 608 752 893 947 1504 1786 1894 3572 3788 7144 7576 14288 15152 17993 28576 30304 35986 44509 71972 89018 143944 178036 287888 356072 575776 712144 845671 1424288 1691342 3382684 6765368 13530736 27061472