Search a number
-
+
28132353 = 35115771
BaseRepresentation
bin110101101010…
…0010000000001
31221221021100000
41223110100001
524200213403
62442550213
7461056344
oct153242001
957837300
1028132353
1114975287
129508369
135a9cb82
143a4445b
15270a7a3
hex1ad4401

28132353 has 12 divisors (see below), whose sum is σ = 42141008. Its totient is φ = 18754740.

The previous prime is 28132339. The next prime is 28132361. The reversal of 28132353 is 35323182.

28132353 is a `hidden beast` number, since 281 + 32 + 353 = 666.

It is not a de Polignac number, because 28132353 - 29 = 28131841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28132303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57643 + ... + 58128.

Almost surely, 228132353 is an apocalyptic number.

It is an amenable number.

28132353 is a deficient number, since it is larger than the sum of its proper divisors (14008655).

28132353 is an equidigital number, since it uses as much as digits as its factorization.

28132353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115786 (or 115774 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 28132353 is about 5303.9940610826. The cubic root of 28132353 is about 304.1365996509.

The spelling of 28132353 in words is "twenty-eight million, one hundred thirty-two thousand, three hundred fifty-three".

Divisors: 1 3 9 27 81 243 115771 347313 1041939 3125817 9377451 28132353