Search a number
-
+
28107452 = 2231832731
BaseRepresentation
bin110101100111…
…0001010111100
31221220000011202
41223032022330
524143414302
62442235032
7460623632
oct153161274
957800152
1028107452
11149585aa
1294b5a78
135a91739
143a39352
152703202
hex1ace2bc

28107452 has 24 divisors (see below), whose sum is σ = 51405312. Its totient is φ = 13431600.

The previous prime is 28107419. The next prime is 28107461. The reversal of 28107452 is 25470182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8927 + ... + 11657.

It is an arithmetic number, because the mean of its divisors is an integer number (2141888).

Almost surely, 228107452 is an apocalyptic number.

It is an amenable number.

28107452 is a deficient number, since it is larger than the sum of its proper divisors (23297860).

28107452 is a wasteful number, since it uses less digits than its factorization.

28107452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 28107452 is about 5301.6461594490. The cubic root of 28107452 is about 304.0468389279.

The spelling of 28107452 in words is "twenty-eight million, one hundred seven thousand, four hundred fifty-two".

Divisors: 1 2 4 31 62 83 124 166 332 2573 2731 5146 5462 10292 10924 84661 169322 226673 338644 453346 906692 7026863 14053726 28107452