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27946000 = 245389157
BaseRepresentation
bin110101010011…
…0110000010000
31221120210201001
41222212300100
524123233000
62434551344
7456352135
oct152466020
957523631
1027946000
1114858275
129438554
135a360c4
1439d658c
1526c046a
hex1aa6c10

27946000 has 80 divisors (see below), whose sum is σ = 68767920. Its totient is φ = 10982400.

The previous prime is 27945997. The next prime is 27946027. The reversal of 27946000 is 64972.

It can be written as a sum of positive squares in 8 ways, for example, as 16548624 + 11397376 = 4068^2 + 3376^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 27946000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177922 + ... + 178078.

It is an arithmetic number, because the mean of its divisors is an integer number (859599).

Almost surely, 227946000 is an apocalyptic number.

27946000 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 27946000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34383960).

27946000 is an abundant number, since it is smaller than the sum of its proper divisors (40821920).

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

27946000 is a wasteful number, since it uses less digits than its factorization.

27946000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27946000 is about 5286.3976392247. The cubic root of 27946000 is about 303.4635622702.

The spelling of 27946000 in words is "twenty-seven million, nine hundred forty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 125 157 178 200 250 314 356 400 445 500 628 712 785 890 1000 1256 1424 1570 1780 2000 2225 2512 3140 3560 3925 4450 6280 7120 7850 8900 11125 12560 13973 15700 17800 19625 22250 27946 31400 35600 39250 44500 55892 62800 69865 78500 89000 111784 139730 157000 178000 223568 279460 314000 349325 558920 698650 1117840 1397300 1746625 2794600 3493250 5589200 6986500 13973000 27946000