Search a number
-
+
28349496 = 2332756249
BaseRepresentation
bin110110000100…
…1010000111000
31222100022012100
41230021100320
524224140441
62451343400
7462652410
oct154112070
958308170
1028349496
111500343a
1295b1b60
135b47966
143a9d640
15274ecb6
hex1b09438

28349496 has 48 divisors (see below), whose sum is σ = 87750000. Its totient is φ = 8099712.

The previous prime is 28349479. The next prime is 28349549. The reversal of 28349496 is 69494382.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27621 + ... + 28628.

It is an arithmetic number, because the mean of its divisors is an integer number (1828125).

Almost surely, 228349496 is an apocalyptic number.

It is an amenable number.

28349496 is an abundant number, since it is smaller than the sum of its proper divisors (59400504).

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

28349496 is a wasteful number, since it uses less digits than its factorization.

28349496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56268 (or 56261 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 28349496 is about 5324.4244759410. The cubic root of 28349496 is about 304.9171001069.

The spelling of 28349496 in words is "twenty-eight million, three hundred forty-nine thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 56249 112498 168747 224996 337494 393743 449992 506241 674988 787486 1012482 1181229 1349976 1574972 2024964 2362458 3149944 3543687 4049928 4724916 7087374 9449832 14174748 28349496