Search a number
-
+
28296342 = 2323742487
BaseRepresentation
bin110101111110…
…0010010010110
31222020121021200
41223330102112
524220440332
62450253330
7462341424
oct153742226
958217250
1028296342
1114a77508
129587246
135b296c9
143a88114
15273e17c
hex1afc496

28296342 has 24 divisors (see below), whose sum is σ = 62967216. Its totient is φ = 9176976.

The previous prime is 28296337. The next prime is 28296349. The reversal of 28296342 is 24369282.

28296342 is a `hidden beast` number, since 28 + 296 + 342 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28296297 and 28296306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28296349) 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, 20578 + ... + 21909.

It is an arithmetic number, because the mean of its divisors is an integer number (2623634).

Almost surely, 228296342 is an apocalyptic number.

28296342 is an abundant number, since it is smaller than the sum of its proper divisors (34670874).

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

28296342 is a wasteful number, since it uses less digits than its factorization.

28296342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42532 (or 42529 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 28296342 is about 5319.4306086272. The cubic root of 28296342 is about 304.7264123714.

The spelling of 28296342 in words is "twenty-eight million, two hundred ninety-six thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 42487 84974 127461 254922 382383 764766 1572019 3144038 4716057 9432114 14148171 28296342