Search a number
-
+
27792149 = 71161297
BaseRepresentation
bin110101000000…
…1001100010101
31221021222122212
41222001030111
524103322044
62431403205
7455141450
oct152011425
957258585
1027792149
1114762720
129383505
1359b1078
143996497
15268ea9e
hex1a81315

27792149 has 24 divisors (see below), whose sum is σ = 35590464. Its totient is φ = 21081600.

The previous prime is 27792139. The next prime is 27792157. The reversal of 27792149 is 94129772.

It is not a de Polignac number, because 27792149 - 24 = 27792133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27792139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286469 + ... + 286565.

It is an arithmetic number, because the mean of its divisors is an integer number (1482936).

Almost surely, 227792149 is an apocalyptic number.

It is an amenable number.

27792149 is a deficient number, since it is larger than the sum of its proper divisors (7798315).

27792149 is an equidigital number, since it uses as much as digits as its factorization.

27792149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 176 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 27792149 is about 5271.8259645022. The cubic root of 27792149 is about 302.9056516219.

The spelling of 27792149 in words is "twenty-seven million, seven hundred ninety-two thousand, one hundred forty-nine".

Divisors: 1 7 11 61 77 97 427 671 679 1067 3721 4697 5917 7469 26047 40931 41419 65087 286517 360937 455609 2526559 3970307 27792149