Search a number
-
+
28349592 = 23310910837
BaseRepresentation
bin110110000100…
…1010010011000
31222100022022220
41230021102120
524224141332
62451344040
7462652605
oct154112230
958308286
1028349592
1115003517
1295b2020
135b47a0b
143a9d6ac
15274ed2c
hex1b09498

28349592 has 32 divisors (see below), whose sum is σ = 71530800. Its totient is φ = 9362304.

The previous prime is 28349569. The next prime is 28349597. The reversal of 28349592 is 29594382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28349597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2803 + ... + 8034.

Almost surely, 228349592 is an apocalyptic number.

It is an amenable number.

28349592 is an abundant number, since it is smaller than the sum of its proper divisors (43181208).

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

28349592 is a wasteful number, since it uses less digits than its factorization.

28349592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955 (or 10951 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 28349592 is about 5324.4334909923. The cubic root of 28349592 is about 304.9174442871.

The spelling of 28349592 in words is "twenty-eight million, three hundred forty-nine thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 109 218 327 436 654 872 1308 2616 10837 21674 32511 43348 65022 86696 130044 260088 1181233 2362466 3543699 4724932 7087398 9449864 14174796 28349592