Search a number
-
+
27272630 = 2571135419
BaseRepresentation
bin110100000001…
…0010110110110
31220022121000102
41220002112312
523440211010
62412314102
7450546020
oct150022666
956277012
1027272630
1114438370
129172932
13585b768
14389d010
1525daba5
hex1a025b6

27272630 has 32 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 8500320.

The previous prime is 27272611. The next prime is 27272633. The reversal of 27272630 is 3627272.

It is a junction number, because it is equal to n+sod(n) for n = 27272593 and 27272602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16940 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 227272630 is an apocalyptic number.

27272630 is an abundant number, since it is smaller than the sum of its proper divisors (33933130).

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

27272630 is a wasteful number, since it uses less digits than its factorization.

27272630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35444.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 27272630 is about 5222.3203655080. The cubic root of 27272630 is about 301.0063610904.

The spelling of 27272630 in words is "twenty-seven million, two hundred seventy-two thousand, six hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 35419 70838 177095 247933 354190 389609 495866 779218 1239665 1948045 2479330 2727263 3896090 5454526 13636315 27272630