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27063380 = 2252921609
BaseRepresentation
bin110011100111…
…1010001010100
31212220221222102
41213033101110
523412012010
62404021232
7446014661
oct147172124
955827872
1027063380
1114305133
129091818
1357b7446
143846a68
152598ba5
hex19cf454

27063380 has 36 divisors (see below), whose sum is σ = 58897020. Its totient is φ = 10445568.

The previous prime is 27063373. The next prime is 27063389. The reversal of 27063380 is 8336072.

It can be written as a sum of positive squares in 6 ways, for example, as 1943236 + 25120144 = 1394^2 + 5012^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27063389) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16016 + ... + 17624.

Almost surely, 227063380 is an apocalyptic number.

27063380 is a gapful number since it is divisible by the number (20) 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 27063380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29448510).

27063380 is an abundant number, since it is smaller than the sum of its proper divisors (31833640).

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

27063380 is a wasteful number, since it uses less digits than its factorization.

27063380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27063380 is about 5202.2475911859. The cubic root of 27063380 is about 300.2345573025.

The spelling of 27063380 in words is "twenty-seven million, sixty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 841 1609 1682 3218 3364 4205 6436 8045 8410 16090 16820 32180 46661 93322 186644 233305 466610 933220 1353169 2706338 5412676 6765845 13531690 27063380